Seiko Cal. 0770 - 300

This Hand-Winding model from 1990 features a 45mm Stainless Steel case. With its 22mm lug width and 15.2mm profile, it sits comfortably on most wrists. [seikata-wm-b8669242b494]

Also known as: Sumo, Crown

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

45mm

Case Thickness

15.2mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

30m

Dial Color

Cream

Jewels

18j

Frequency

28,800 bph

Power Reserve

44 hours

Year

1990

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