Seiko Cal. 5631 - 878

This Quartz model from 1971 features a 43mm Two-Tone case. It features a Champagne dial protected by a Mineral crystal and offers 50m of water resistance. [seikata-wm-396d7c088573]

Also known as: Shogun

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

43mm

Case Thickness

9.2mm

Lug Width

20mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

50m

Dial Color

Champagne

Jewels

18j

Frequency

36,000 bph

Power Reserve

71 hours

Year

1971

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