{"id":29602,"date":"2021-06-18T13:00:00","date_gmt":"2021-06-18T12:00:00","guid":{"rendered":"https:\/\/www.firstclasswatches.co.uk\/blog\/?p=29602"},"modified":"2022-09-14T12:23:52","modified_gmt":"2022-09-14T11:23:52","slug":"diving-certified-water-resistant-watches","status":"publish","type":"post","link":"https:\/\/www.firstclasswatches.co.uk\/blog\/2021\/06\/diving-certified-water-resistant-watches\/","title":{"rendered":"Diving Certified Water Resistant Watches"},"content":{"rendered":"\n

Diving\ncertified water resistant watches have been a core component of the horological\nindustry for decades. They are a popular option for water sports enthusiasts and\ndivers due to the meticulous engineering that is required to produce a good\nquality model. A watch has to pass a great number of tests in order to be\nofficially categorised as a diver\u2019s watch. This process ensures that only the\nmost resilient and water resistant watches are advertised as diver\u2019s watches. <\/p>\n\n\n\n

What\nis a Diving Certified Water Resistant Watch?<\/strong><\/h3>\n\n\n\n
\"Diving<\/figure><\/div>\n\n\n\n

In\norder to be considered a diving certified water resistant watch, a timepiece\nmust conform to the standards of ISO6425. If a watch meets all of these\nrequirements, it can officially be named as a diver\u2019s watch. Many brands\nproduce diver\u2019s watches and often it is the brand\u2019s reputation that reassures\nthe customer that the watch will be resilient and well-built enough for diving.\nHowever, it is always best to search for a watch that is specially built for\ndiving purposes as only these models will have been through the rigorous\ntesting process to confirm that they can safely be worn for diving purposes. <\/p>\n\n\n\n

What\nis the ISO and ISO6425?<\/strong><\/h3>\n\n\n\n

The ISO is the International Organisation for Standardisation<\/a>. It is an organisation that creates and upholds standards for a huge variety of things. Their expertise extends from health and safety standards to environmental management standards to quality management standards. The ISO is a trustworthy and reputable source for maintaining the high standards that are required of diver\u2019s watches. Their standards are based on global expert opinion and are reviewed every 5 years to ensure that they stay current with modern technologies. <\/p>\n\n\n\n

The\nstandards for ISO6425 were first published in 1982 and were recently updated in\n2018. It is imperative that a watch meet these standards in order for it to officially\nbe a diver\u2019s watch. Although they produce the standards, the ISO is not\nresponsible for testing; this is the responsibility of the manufacturers. <\/p>\n\n\n\n

\"Diving<\/figure><\/div>\n\n\n\n

In order to be considered a diver\u2019s watch and meet the standards of ISO6425<\/a>, a watch must successfully be put through a range of tests. The tests are designed to mimic real world scenarios and events that may cause damage to the watch. Through this process, it becomes apparent whether a watch is resilient enough to be deemed a diver\u2019s watch. Many of the tests put stress on the watch in order to see if condensation forms within it. If condensation forms as a result of any of these tests, the watch is deemed unfit and will not become a diving certified water resistant watch. <\/p>\n\n\n\n

What Tests Does a Diver\u2019s Watch Need to Pass?<\/strong><\/h3>\n\n\n\n

The\nwatches are tested for reliability underwater, condensation and water tightness\nand resistance at a water overpressure to observe whether the watches are appropriate\nto wear in the water. Tests are carried out to assess the resistance of crown\nto an external force and the resistance of attachments to an external force to\nensure that the exterior of the watch will be able to withstand the pressure\nand knocks that may come with diving. Watches are tested for thermal shock\nresistance, magnetic resistance and shock resistance to assess whether the\nmovement will continue to function with these kinds of eventualities. <\/p>\n\n\n\n

\"Diving<\/figure><\/div>\n\n\n\n

As\ndiving watches will be worn in the sea, it is vital that the resistance to salt\nwater is tested. Salt water can be corrosive and therefore has the potential to\ndamage components of the watch and if this were to happen, the watch would fail\ntesting. It is incredibly important that a diver\u2019s watch is visible underwater,\nso the standards assess whether this is the case. There should also be a clear\nindication as to whether a watch is running. A diving certified water resistant\nwatch is required to have a time preselecting device, so this is also observed\nduring testing. <\/p>\n\n\n\n

A\nwatch that has passed all of these tests will be officially recognised as a\ndiving certified water resistant watch. The wearer could be very confident that\nthe watch will be able to withstand a wide range of diving activities, as long\nas the timepiece is properly cared for. It is often recommended that diver\u2019s\nwatches be routinely checked by the manufacturer to ensure that all seals are intact,\nand the water resistance has not been compromised. <\/p>\n\n\n\n

Diving\nCertified Water Resistant Watch Recommendations<\/strong><\/h3>\n\n\n\n

If\nyou are searching for diving certified water resistant watches, keep reading for\nour top five recommendations. Each of the watches in this list is compliant\nwith ISO6425 standards and can officially be called a diver\u2019s watch. Some\nwatches are easy to identify as diver\u2019s watches as this accolade may be written\non the dial. However, some brands are more discreet and do not choose to adorn\nthe dial with additional text. <\/p>\n\n\n\n

Citizen Promaster Professional Diver Blue Rubber BN0151-09L<\/a><\/strong><\/h4>\n\n\n\n
\"Citizen<\/figure><\/div>\n\n\n\n

Many diver\u2019s watches have very high price points due to the meticulous engineering and testing that is required in the production process. However, this Citizen model is fairly budget friendly, making it an excellent choice for those who are at the beginning of their diving journey. The dark blue dial features luminous dot indices with a date aperture in the 4 o\u2019clock position. The hour and minute hands are easily distinguishable as the hour hand is white and the minute hand is orange. A blue bezel with a silver minute track surrounds the dial and mineral glass protects it. A stainless steel case frames the dial. This watch is water resistant up to 20 bar (200 metres), so it is fine to wear for a multitude of water based activities. The watch is secured to the wrist using a blue polyurethane strap. Additionally, this watch is powered by Citizen\u2019s famous Eco-Drive technology<\/a>. This means that the watch can take power from both natural and synthetic light and use it to power the movement. A single full charge can keep the watch running for up to 7 months. <\/p>\n\n\n\n

Seiko Men\u2019s Prospex | PADI | Stainless Steel Bracelet | Black Dial SRPE27K1<\/a><\/strong><\/h4>\n\n\n\n
\"Seiko<\/figure><\/div>\n\n\n\n

This\ndiver\u2019s model is fondly nicknamed the \u2018Monster\u2019 by fans of Seiko. It is said\nthat the bezel resembles the open mouth of a monster that is baring its teeth.\nSeiko launched its first diver\u2019s watch in 1965 and the incredibly high level of\nwatchmaking that was exhibited changed global dive watch standards. The brand\nis pioneering in the production of diver\u2019s watches and are therefore trusted by\nmany water sports enthusiasts. The black dial of this model features luminous\nindices and hands with a weekday and date aperture at 3 o\u2019clock. The hour hand\nis white, and the minute hand is red so the dial can be easily read at a glance.\nHardlex crystal protects the dial and a blue unidirectional bezel surrounds it.\nThe stainless steel case measures 42.4mm in diameter and houses an automatic\nmovement of the calibre 4R36. This movement provides the watch with a power reserve\nof up to 41 hours. The screw down crowns aid with the water resistance rating\nof up to 200 metres (20 bar). This watch is finished with a stainless steel bracelet\nthat secures with a three-fold clasp and secure lock with an extender. <\/p>\n\n\n\n

Certina DS ACTION Diver | 38MM | Powermatic 80 | Two Tone C0328072205101<\/a><\/strong><\/h4>\n\n\n\n
\"Certina<\/figure><\/div>\n\n\n\n

The\nblack, silver, gold and green colour scheme of this Certina watch will be eye-catching\nwhen styled for daily wear and practical for diving, providing the wearer with\nan attractive, all-purpose timepiece. The black dial exhibits luminous indices\nand luminous gold hands. A date aperture is placed at 3 o\u2019clock for optimal\ntimekeeping. A green stainless steel bezel surrounds the dial, adding a hint of\ncontemporary style. The dial is protected by antireflective sapphire crystal to\nensure that it can be read in bright sunlight. An automatic movement is housed\nin the 38mm stainless steel case. The watch has an end-of-life function and is\na certified chronometer. This model is water resistant up to 300 metres (30\nbar), so will exhibit excellent underwater performance. The watch is secured to\nthe wrist with a two-tone stainless steel and gold PVD bracelet. <\/p>\n\n\n\n

Sinn U1 S E U-Boat Steel Vintage Brown Leather V-Stitch 1010.023<\/a><\/strong><\/h4>\n\n\n\n
\"Sinn<\/figure><\/div>\n\n\n\n

Sinn is a German brand that is internationally renowned for pushing watches to the limits to engineer the most highly performing timepieces possible. This model comes from the brand\u2019s U1 collection, which is a family of automatic diver\u2019s watches. This model features a matte black dial with luminescent hands and indices. The case and bezel of this watch have a black PVD coating and have been treated with TEGIMENT technology<\/a> to increase their durability. The case of this model is made from German Submarine Steel to ensure that it is incredibly resistant to sea water. It measures 44mm in diameter and 14.7mm in thickness. The captive diver\u2019s bezel is very secure and cannot be moved unintentionally. The Sinn U1 watches are water and pressure resistant up to 1000 metres diving depth (100 bar), allowing for excellent underwater performance. The watch is powered by an automatic self-winding movement that has a power reserve of up to 38 hours. This model is finished with a brown vintage-style cowhide leather strap that fastens with a pin buckle. <\/p>\n\n\n\n

Tissot Seastar 1000 | Chronograph | Red Dial | Black Silicone Strap T1204171742100<\/a><\/strong><\/h4>\n\n\n\n
\"Tissot<\/figure><\/div>\n\n\n\n

This\nTissot model will turn heads with its unusual red dial. The dial features three\nsub dials with a date aperture between 4 and 5 o\u2019clock. Luminous indices and\nhands allow for the dial to be read easily both in the dark and deep\nunderwater. A black aluminium unidirectional bezel surrounds the dial and\nscratch resistant sapphire glass protects it. The watch is powered by a quartz\nmovement which is housed in the 45.5mm stainless steel case. This watch has an end-of-life\nfunction to ensure that the diver will be made aware if the battery is going to\nrun out soon. This model is water resistant up to 30 bars (300 metres), which\nis aided by the screw down crown. The watch is secured to the wrist using a\nblack rubber strap that fastens with a buckle. Rubber is a good choice of\nmaterial when diving as it should remain comfortable to wear, even when wet. <\/p>\n\n\n\n

Do\nyou own any diving certified water resistant watches? Do you think you would\nadd one to your collection? Let us know in the comments below! <\/p>\n","protected":false},"excerpt":{"rendered":"

Diving certified water resistant watches have been a core component of the horological industry for decades. 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