Seiko Cal. 3815 - 351

This Hand-Winding model from 1970 features a 37mm Titanium case. With its 19mm lug width and 8.6mm profile, it sits comfortably on most wrists. [seikata-wm-4829eafe5c39]

Also known as: Samurai, Emperor

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

37mm

Case Thickness

8.6mm

Lug Width

19mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

70m

Dial Color

Green

Jewels

32j

Frequency

21,600 bph

Power Reserve

51 hours

Year

1970

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