Seiko Cal. 5677 - 878

This Hand-Winding model from 1980 features a 40mm Stainless Steel case. With its 19mm lug width and 9.5mm profile, it sits comfortably on most wrists. [seikata-wm-d86e089c7ce5]

Also known as: Samurai, Sumo

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

9.5mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

150m

Dial Color

Silver

Jewels

32j

Frequency

36,000 bph

Power Reserve

55 hours

Year

1980

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