Seiko Cal. 0770 - 832

This Spring Drive model from 1995 features a 37mm Gold-Plated case. Powered by the 0770 caliber with 33j jewels beating at 28,800 bph, it delivers a 56 hours power reserve. [seikata-wm-d7520fb777f0]

Also known as: Tuna, Helmet

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

13.1mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

50m

Dial Color

Cream

Jewels

33j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1995

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