Seiko Cal. 3857 - 791

This Hand-Winding model from 1972 features a 40mm Titanium case. With its 22mm lug width and 9.4mm profile, it sits comfortably on most wrists. [seikata-wm-1e0d0aa34625]

Also known as: Bullhead, Silverwave

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

40mm

Case Thickness

9.4mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

90m

Dial Color

Black

Jewels

20j

Frequency

28,800 bph

Power Reserve

65 hours

Year

1972

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