Seiko Cal. 7090 - 331

This Hand-Winding model from 1976 features a 37mm Two-Tone case. With its 18mm lug width and 9.5mm profile, it sits comfortably on most wrists. [seikata-wm-00a381f6dae1]

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

37mm

Case Thickness

9.5mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

Blue Sunburst

Jewels

20j

Frequency

28,800 bph

Power Reserve

63 hours

Year

1976

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