Seiko Cal. 3831 - 473

This Hand-Winding model from 1978 features a 45mm Titanium case. It features a Navy dial protected by a Hardlex crystal and offers 30m of water resistance. [seikata-wm-c7ee5285d356]

Also known as: Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

45mm

Case Thickness

15.7mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

30m

Dial Color

Navy

Jewels

32j

Frequency

36,000 bph

Power Reserve

48 hours

Year

1978

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