Seiko Cal. 6699 - 537

This Spring Drive model from 1976 features a 41mm Two-Tone case. Powered by the 6699 caliber with 26j jewels beating at 21,600 bph, it delivers a 43 hours power reserve. [seikata-wm-e94e36298596]

Also known as: Goldfeather, Sea Horse

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

41mm

Case Thickness

10.7mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

30m

Dial Color

Green

Jewels

26j

Frequency

21,600 bph

Power Reserve

43 hours

Year

1976

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