Seiko Cal. 0740 - 502

This Quartz model from 1976 features a 37mm Two-Tone case. It features a Green dial protected by a Hardlex crystal and offers 50m of water resistance. [seikata-wm-4550b538ec64]

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

37mm

Case Thickness

10.1mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

50m

Dial Color

Green

Jewels

23j

Frequency

21,600 bph

Power Reserve

64 hours

Year

1976

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