Seiko Cal. 6131 - 359

This Spring Drive model from 1967 features a 42mm PVD Black case. With its 21mm lug width and 8.4mm profile, it sits comfortably on most wrists. [seikata-wm-6833c24ee69a]

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

42mm

Case Thickness

8.4mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

160m

Dial Color

Cream

Jewels

18j

Frequency

28,800 bph

Power Reserve

66 hours

Year

1967

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