Seiko Cal. 6683 - 501

This Spring Drive model from 1971 features a 40mm Stainless Steel case. Powered by the 6683 caliber with 26j jewels beating at 28,800 bph, it delivers a 56 hours power reserve. [seikata-wm-c90ad82e9372]

Also known as: Tuna, Rally

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

11.7mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Green

Jewels

26j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1971

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