Seiko Cal. 6646 - 722

This Spring Drive model from 1966 features a 35mm Stainless Steel case. Powered by the 6646 caliber with 26j jewels beating at 21,600 bph, it delivers a 69 hours power reserve. [seikata-wm-7466ab5fe6bb]

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

35mm

Case Thickness

15.2mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

90m

Dial Color

Navy

Jewels

26j

Frequency

21,600 bph

Power Reserve

69 hours

Year

1966

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