Seiko Cal. 7131 - 880

This Spring Drive model from 1967 features a 44mm Two-Tone case. With its 20mm lug width and 11.2mm profile, it sits comfortably on most wrists. [seikata-wm-c4af0e32eb19]

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

44mm

Case Thickness

11.2mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

60m

Dial Color

Burgundy

Jewels

19j

Frequency

36,000 bph

Power Reserve

62 hours

Year

1967

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