Seiko Cal. 0731 - 911

This Spring Drive model from 1976 features a 44mm Two-Tone case. It features a Cream dial protected by a Hardlex crystal and offers 90m of water resistance. [seikata-wm-b9c9d22d8fb7]

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

44mm

Case Thickness

10.3mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

Cream

Jewels

36j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1976

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