Seiko Cal. 6172 - 991

This Solar model from 1966 features a 44mm Hardlex-Coated Steel case. Powered by the 6172 caliber with 29j jewels beating at 28,800 bph, it delivers a 60 hours power reserve. [seikata-wm-4e5f23bc3757]

Also known as: Sumo

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

15.1mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

60m

Dial Color

Black

Jewels

29j

Frequency

28,800 bph

Power Reserve

60 hours

Year

1966

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