Seiko Cal. 3812 - 831

This Hand-Winding model from 1965 features a 38mm PVD Black case. With its 22mm lug width and 14.8mm profile, it sits comfortably on most wrists. [seikata-wm-8bf1e9f9d321]

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

38mm

Case Thickness

14.8mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Champagne

Jewels

31j

Frequency

21,600 bph

Power Reserve

71 hours

Year

1965

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