Seiko Cal. 4544 - 656

This Spring Drive model from 1968 features a 40mm Two-Tone case. It features a Champagne dial protected by a Hardlex crystal and offers 130m of water resistance. [seikata-wm-af8f36d93f35]

Also known as: World Timer

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

40mm

Case Thickness

8.8mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

130m

Dial Color

Champagne

Jewels

29j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1968

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