SJX Watches
Seiko Introduces the Diver’s Watch 55th Anniversary Trilogy
Seiko has been on a hot streak with its remakes of vintage dive watches, including the Hi-Beat 6159 of 2018 and last year’s “Turtle” 6105. With 2020 being the 55th anniversary of its first dive watch, Seiko is reissuing three of its most well-liked vintage dive watches, the Hi-Beat 6215, the 62MAS 6217, and the “Tuna” 6159. All three remakes features notable upgrades, including the use of a new alloy named Ever-Brilliant Steel that is notably corrosion resistant. (And for those on a less-ambitious budget, the line-up also includes an affordable 62MAS remake – see this at the bottom of the story.) The vintage originals (from left): Hi-Beat 6215, the 62MAS 6217, and the “Tuna” 6159 Used for the first time in watchmaking according to Seiko, Ever-Brilliant Steel has a more silvery appearance than the steel alloy most commonly used in watchmaking – 316L or “surgical steel” – but more crucially, the alloy has better corrosion resistant. Specifically, Seiko says Ever-Brilliant Steel has a pitting resistance equivalent number (PREN) of 1.7 times 316L steel. With 316L steel having a PREN of around 25, Ever-Brilliant Steel should surpass 40 – usually the benchmark for materials uses for marine applications. The Ever-Brilliant Steel case of the SLA037 The 1965 Diver’s Re-creation “62MAS” (ref. SLA037 or SBEX009) is a remake of Seiko’s first ever dive watch. Measuring 39.9 mm by 14.7 mm, the case is larger than the original, and of course made from Ev...
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