Seiko Cal. 6647 - 725

This Solar model from 1976 features a 46mm Gold-Plated case. Powered by the 6647 caliber with 28j jewels beating at 36,000 bph, it delivers a 53 hours power reserve. [seikata-wm-c88ba3f74455]

Also known as: Sumo

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

46mm

Case Thickness

13.5mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

60m

Dial Color

Navy

Jewels

28j

Frequency

36,000 bph

Power Reserve

53 hours

Year

1976

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