Seiko Cal. 4431 - 971

This Hand-Winding model from 1985 features a 36mm Titanium case. With its 19mm lug width and 13.9mm profile, it sits comfortably on most wrists. [seikata-wm-d233ddcc0ec6]

Also known as: Samurai

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

36mm

Case Thickness

13.9mm

Lug Width

19mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

150m

Dial Color

Silver

Jewels

25j

Frequency

28,800 bph

Power Reserve

62 hours

Year

1985

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