Seiko Cal. 6312 - 125

This Spring Drive model from 1975 features a 38mm PVD Black case. With its 21mm lug width and 10.1mm profile, it sits comfortably on most wrists. [seikata-wm-be7bf67aa660]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

38mm

Case Thickness

10.1mm

Lug Width

21mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

130m

Dial Color

Champagne

Jewels

22j

Frequency

36,000 bph

Power Reserve

52 hours

Year

1975

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