Seiko Cal. 6131 - 950

This Hand-Winding model from 1976 features a 38mm Two-Tone case. With its 19mm lug width and 15.2mm profile, it sits comfortably on most wrists. [seikata-wm-7991ffdd8e0f]

Also known as: UFO, Crown

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

38mm

Case Thickness

15.2mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

150m

Dial Color

Green

Jewels

23j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1976

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