Seiko Cal. 0770 - 750

This Spring Drive model from 1990 features a 40mm Hardlex-Coated Steel case. It features a Silver dial protected by a Mineral crystal and offers 60m of water resistance. [seikata-wm-5b8b0cff4e36]

Also known as: Crown

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

14.8mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

60m

Dial Color

Silver

Jewels

21j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1990

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