Seiko Cal. 3865 - 138

This Hand-Winding model from 1983 features a 37mm PVD Black case. It features a Silver dial protected by a Hardlex crystal and offers 120m of water resistance. [seikata-wm-d0214afad1e0]

Also known as: Tuna, Goldfeather

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

37mm

Case Thickness

11.2mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

120m

Dial Color

Silver

Jewels

31j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1983

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