SEIKO SilverWave Diver’s Watches

SEIKO SilverWave Diver’s Watches

Postby koimaster » February 27th 2018, 4:32pm

Introduction

After WWII as the popularity of diving moved beyond military and commercial diving, and the cost of Scuba gear reduced, watchmakers moved towards providing equipment for recreational diving.

Seiko introduced its first diver’s watch in 1961.




Seiko’s first range of truly submersible sports watches came in the form of the Seikomatic 50m SilverWave (1961) with (internal) rotating countdown bezels. The model number was J12082.

The introduction of the Seikomatic 50m SilverWave diver’s watch in 1961 marked a number of firsts for Seiko: it represented their first diver’s watch; it was their first watch with an inner rotating bezel; it was their first use of the tsunami wave symbol; and it was their first automatic watch with a screw-down case back.

While not a diver’s watch in the true sense, these sports diver’s watches were the immediate precursors to Seiko (and Japan’s) first diver’s watch with 150m depth capability, good legibility and an external rotating bezel, the 62MAS(1965).

Other brands made similar transitions at about the same time. The Enicar Sherpa articles in this series cover the transition of the dress watch to a sports watch and diver’s watch, and Enicar achieved this by using a waterproof EPSA case made by a specialist company to their specification.

The article on the Seiko Tuna covers the development of Seiko’s diver’s watches into those for a serious professional diver.

Waterproofing the Seiko watches

One obvious attribute for a diver’s watch is waterproof capacity, which is also required to a lesser degree by outdoor sportsmen and climbers.

The Seiko two part screw-down case back was a design exercise to obtain a waterproof case, first used on the manual Seiko Cronos Sea Horse of 1960, model J13032, which used a Seikosha 21 jewel Diashock calibre movement.

Seiko were proud of the fact that this watch was capable of resisting 50m of water pressure and marketed it as a diver’s watch, initially without any luminosity, as it had steel applied indices, and steel dauphine hands.

The dial reads Seiko Chronos in script at 12 o’clock and features WATER 50 PROOF and Diashock 21 Jewels at 6 o’clock.

Below is the watch with WATER 50 PROOF the most prominent feature on the dial, and an image showing the 2 part case back.

https://thespringbar.com/blogs/guides/s ... -s-watches

Seiko Silverwave dive watches.pdf
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Re: SEIKO SilverWave Diver’s Watches

Postby foghorn » February 27th 2018, 5:14pm

It would be nice to see those re-issued. But at a more reasonable size than Seikos current favorite of 44 mm. And without a PADI version.
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Re: SEIKO SilverWave Diver’s Watches

Postby bedlam » February 27th 2018, 6:24pm

Wow. Some brilliant looking stuff there.
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Re: SEIKO SilverWave Diver’s Watches

Postby Mortuus » February 27th 2018, 6:31pm

As someone who is very partial to the oldies, especially those from Asia, I would love to see a reissue of these, a la Bulova and the the accu-tron series, etc., though getting the Japanese to do this would almost certainly be a daunting task. Still, they're such gorgeous designs, and I truly would hate knowing they're gone forever...
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Re: SEIKO SilverWave Diver’s Watches

Postby artman » February 27th 2018, 8:11pm

If they reissue the Silver Wave I hope they also package it in the clamshell box.
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Re: SEIKO SilverWave Diver’s Watches

Postby conjurer » February 27th 2018, 11:17pm

That's some beautiful shit right there.
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Re: SEIKO SilverWave Diver’s Watches

Postby koimaster » February 27th 2018, 11:30pm

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