Seiko Cal. 0770 - 878

This Spring Drive model from 1991 features a 34mm Hardlex-Coated Steel case. It features a Green dial protected by a Sapphire crystal and offers 200m of water resistance. [seikata-wm-ba1fe784be69]

Also known as: Bullhead

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

14.8mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

200m

Dial Color

Green

Jewels

36j

Frequency

36,000 bph

Power Reserve

41 hours

Year

1991

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