Seiko Cal. 0770 - 290

This Spring Drive model from 1991 features a 43mm Hardlex-Coated Steel case. With its 21mm lug width and 15.5mm profile, it sits comfortably on most wrists. [seikata-wm-1df5ff61906b]

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

15.5mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Black

Jewels

19j

Frequency

36,000 bph

Power Reserve

49 hours

Year

1991

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