Seiko Cal. 3878 - 683

This Hand-Winding model from 1985 features a 37mm Titanium case. It features a Navy dial protected by a Hardlex crystal and offers 120m of water resistance. [seikata-wm-f3365a166045]

Also known as: Shogun, Tuna

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

37mm

Case Thickness

9.4mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Navy

Jewels

29j

Frequency

36,000 bph

Power Reserve

61 hours

Year

1985

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