Seiko Cal. 3818 - 102

This Hand-Winding model from 1971 features a 37mm PVD Black case. It features a Navy dial protected by a Hardlex crystal and offers 130m of water resistance. [seikata-wm-4d6b2388f6a3]

Also known as: Bullhead

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

37mm

Case Thickness

9.4mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

130m

Dial Color

Navy

Jewels

17j

Frequency

36,000 bph

Power Reserve

58 hours

Year

1971

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