Seiko Cal. 0770 - 874

This Hand-Winding model from 1991 features a 45mm PVD Black case. With its 21mm lug width and 10.3mm profile, it sits comfortably on most wrists. [seikata-wm-33b4bc1233c1]

Also known as: Sportsmatic, Sea Horse

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

45mm

Case Thickness

10.3mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

90m

Dial Color

Black

Jewels

34j

Frequency

21,600 bph

Power Reserve

60 hours

Year

1991

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