Seiko Cal. 6157 - 870

This Hand-Winding model from 1981 features a 43mm Stainless Steel case. With its 21mm lug width and 15.0mm profile, it sits comfortably on most wrists. [seikata-wm-a53266c99bce]

Also known as: Sumo, UFO

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

43mm

Case Thickness

15.0mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

150m

Dial Color

White

Jewels

20j

Frequency

28,800 bph

Power Reserve

48 hours

Year

1981

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