Seiko Cal. 5631 - 173

This Hand-Winding model from 1990 features a 36mm Titanium case. It features a Burgundy dial protected by a Hardlex crystal and offers 110m of water resistance. [seikata-wm-827223f50b8c]

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

36mm

Case Thickness

14.3mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

110m

Dial Color

Burgundy

Jewels

30j

Frequency

28,800 bph

Power Reserve

43 hours

Year

1990

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