Seiko Cal. 3851 - 527

This Hand-Winding model from 1973 features a 36mm PVD Black case. With its 19mm lug width and 10.5mm profile, it sits comfortably on most wrists. [seikata-wm-59bb663f308d]

Also known as: Sea Horse

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

36mm

Case Thickness

10.5mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

90m

Dial Color

Green

Jewels

31j

Frequency

28,800 bph

Power Reserve

62 hours

Year

1973

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