Seiko Cal. 4431 - 141

This Spring Drive model from 1977 features a 41mm Titanium case. It features a Champagne dial protected by a Acrylic crystal and offers 30m of water resistance. [seikata-wm-89187b22307b]

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

41mm

Case Thickness

14.6mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

30m

Dial Color

Champagne

Jewels

19j

Frequency

28,800 bph

Power Reserve

66 hours

Year

1977

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