Seiko - The 1965 Diver's 55th Anniversary Limited Edition - SLA043

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CONCEPT
55 years ago, Seiko introduced its, and Japan's, first ever diver's watch. With an automatic movement and water resistance to 150m, it proved its reliability when it was used by the Japanese Antarctic Research Expedition team in the 1960s. In the years that followed, Seiko created many other diver's watches that found favor with professional divers and adventurers alike, thanks to their high quality and reliability.

These special limited edition celebrates the 55th anniversary of the very first Seiko diver's watch. Based on landmark designs from 1965 and 1970, this watch has been created with Seiko's very latest technologies and new, higher specifications.

The case of this watch is made of a grade of stainless steel not used before in a diver's watch. Seiko's new Ever-Brilliant Steel takes its name from the brilliant white hue that gives the watch its unique look. This grade of steel is more corrosion resistant than that which is used in most high-end watches today. This material is used extensively in the surfaces, linings, bolts and other components of marine structures and vessels because it resists corrosion in the chloride-rich environment of sea water. Its use in a watch case presents many manufacturing challenges but, thanks to the long experience and innovative techniques of the Seiko team, these challenges were overcome and Ever-Brilliant Steel is now set to bring a new level of durability to the diver's watch. The watch is powered by the 8L35 movement which was developed expressly for diver's watches and is assembled by hand at the Shizukuishi Watch Studio.

Case back
While faithful to the 1965 design, this new Prospex diver's watch has greatly enhanced functionality. It has a box-shaped sapphire crystal and 200m water resistance for greater reliability. The case back bears the same dolphin emblem as the 1965 original.

Special box
The watch is offered in a special box with an additional strap made of blue silicone.

Caliber Number: 8L35
Movement Type: Automatic with manual winding capacity
Power Reserve: Approx. 50 hours
Case Material: Ever-Brilliant Steel
Crystal: Box shaped sapphire crystal
Crystal Coating: Anti-reflective coating on inner surface
LumiBrite: Lumibrite on hands, indexs and bezel
Band(s) Material: Silicone
Water Resistance: 200m / 660 ft diver's
Case Size
Thickness:  14.1 ㎜
Diameter:  39.9 ㎜
Length:  47.9 ㎜

Screw case back
Screw-down crown
Serial number engraved on the case back
Unidirectional rotating bezel
26 jewels
Date display
Stop seconds hand function

SLA043 Seiko
Seiko SLA043