Seiko Cal. 5256 - 107

This Spring Drive model from 1982 features a 40mm PVD Black case. With its 22mm lug width and 8.5mm profile, it sits comfortably on most wrists. [seikata-wm-022588427563]

Also known as: Sumo, Tuna

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

40mm

Case Thickness

8.5mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

150m

Dial Color

Blue Sunburst

Jewels

36j

Frequency

36,000 bph

Power Reserve

49 hours

Year

1982

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