Seiko Cal. 6697 - 287

This Spring Drive model from 1979 features a 35mm Stainless Steel case. It features a Black dial protected by a Sapphire crystal and offers 160m of water resistance. [seikata-wm-e8014be45a68]

Also known as: Sumo, Bullhead

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

35mm

Case Thickness

10.3mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

160m

Dial Color

Black

Jewels

20j

Frequency

21,600 bph

Power Reserve

43 hours

Year

1979

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