Seiko Cal. 5640 - 925

This Quartz model from 1965 features a 43mm Gold-Plated case. It features a Cream dial protected by a Hardlex crystal and offers 50m of water resistance. [seikata-wm-96c23060d872]

Also known as: Turtle, Bellmatic

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

43mm

Case Thickness

8.6mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

50m

Dial Color

Cream

Jewels

32j

Frequency

28,800 bph

Power Reserve

57 hours

Year

1965

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