Seiko Cal. 3815 - 861

This Hand-Winding model from 1969 features a 43mm PVD Black case. With its 18mm lug width and 10.0mm profile, it sits comfortably on most wrists. [seikata-wm-462189ef5dc5]

Also known as: Bullhead, Helmet

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

43mm

Case Thickness

10.0mm

Lug Width

18mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

110m

Dial Color

White

Jewels

25j

Frequency

28,800 bph

Power Reserve

52 hours

Year

1969

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