Seiko Cal. 6331 - 696

This Hand-Winding model from 1980 features a 45mm Two-Tone case. It features a Burgundy dial protected by a Hardlex crystal and offers 70m of water resistance. [seikata-wm-12f365d34fda]

Also known as: Tuna, Sea Horse

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

45mm

Case Thickness

11.4mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

70m

Dial Color

Burgundy

Jewels

21j

Frequency

21,600 bph

Power Reserve

65 hours

Year

1980

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