Seiko Cal. 0771 - 886

This Automatic model from 1974 features a 44mm Gold-Plated case. Powered by the 0771 caliber with 27j jewels beating at 28,800 bph, it delivers a 37 hours power reserve. [seikata-wm-8d79e4f57f41]

Also known as: Sumo, Tuna

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

44mm

Case Thickness

10.6mm

Lug Width

21mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

80m

Dial Color

Green

Jewels

27j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1974

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