Seiko Cal. 6697 - 681

This Spring Drive model from 1965 features a 36mm Stainless Steel case. It features a Burgundy dial protected by a Sapphire crystal and offers 160m of water resistance. [seikata-wm-307a7b2d1afa]

Also known as: Sumo, Pogue

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

36mm

Case Thickness

14.3mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

160m

Dial Color

Burgundy

Jewels

23j

Frequency

21,600 bph

Power Reserve

59 hours

Year

1965

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