Seiko Cal. 6131 - 265

This Spring Drive model from 1987 features a 34mm PVD Black case. With its 18mm lug width and 9.2mm profile, it sits comfortably on most wrists. [seikata-wm-b110e7647eea]

Also known as: Sea Horse

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

34mm

Case Thickness

9.2mm

Lug Width

18mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Burgundy

Jewels

20j

Frequency

36,000 bph

Power Reserve

64 hours

Year

1987

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