Seiko Cal. 3817 - 144

This Hand-Winding model from 1981 features a 43mm Titanium case. With its 19mm lug width and 13.3mm profile, it sits comfortably on most wrists. [seikata-wm-2c357e0c438c]

Also known as: Bullhead

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

43mm

Case Thickness

13.3mm

Lug Width

19mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Green

Jewels

30j

Frequency

36,000 bph

Power Reserve

39 hours

Year

1981

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