Seiko Cal. 0770 - 517

The Seiko 0770-517 represents an important milestone in Seiko's 1976 lineup. Powered by the 0770 caliber with 30j jewels beating at 21,600 bph, it delivers a 56 hours power reserve. [seikata-wm-8ac4bc07e402]

Also known as: Sumo, Arnie

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

38mm

Case Thickness

10.1mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Navy

Jewels

30j

Frequency

21,600 bph

Power Reserve

56 hours

Year

1976

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