Seiko Cal. 6168 - 752

This Spring Drive model from 1974 features a 39mm Hardlex-Coated Steel case. Powered by the 6168 caliber with 28j jewels beating at 21,600 bph, it delivers a 59 hours power reserve. [seikata-wm-62e946f3f5ee]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

8.1mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

60m

Dial Color

Navy

Jewels

28j

Frequency

21,600 bph

Power Reserve

59 hours

Year

1974

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