Seiko Cal. 6616 - 766

This Spring Drive model from 1970 features a 43mm Stainless Steel case. Powered by the 6616 caliber with 29j jewels beating at 21,600 bph, it delivers a 45 hours power reserve. [seikata-wm-a9d8d0b2a9a7]

Also known as: Shogun, Emperor

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

43mm

Case Thickness

10.9mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

40m

Dial Color

Green

Jewels

29j

Frequency

21,600 bph

Power Reserve

45 hours

Year

1970

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