Seiko Cal. 4477 - 833

This Spring Drive model from 1966 features a 37mm Gold-Plated case. Powered by the 4477 caliber with 17j jewels beating at 21,600 bph, it delivers a 53 hours power reserve. [seikata-wm-db0e4d69a82b]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

13.0mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

140m

Dial Color

Burgundy

Jewels

17j

Frequency

21,600 bph

Power Reserve

53 hours

Year

1966

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