Seiko Cal. 6691 - 280

This Hand-Winding model from 1978 features a 37mm Stainless Steel case. With its 18mm lug width and 8.8mm profile, it sits comfortably on most wrists. [seikata-wm-ddb937013c04]

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

8.8mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

100m

Dial Color

Green

Jewels

33j

Frequency

36,000 bph

Power Reserve

38 hours

Year

1978

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