Seiko Cal. 5631 - 877

This Automatic model from 1974 features a 44mm Gold-Plated case. It features a White dial protected by a Acrylic crystal and offers 170m of water resistance. [seikata-wm-759976284a15]

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

44mm

Case Thickness

11.8mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

170m

Dial Color

White

Jewels

33j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1974

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