Seiko Cal. 6621 - 923

The 6621-923 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6621 caliber with 19j jewels beating at 36,000 bph, it delivers a 42 hours power reserve. [seikata-wm-ef9e6ed42e86]

Also known as: Turtle

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

41mm

Case Thickness

11.0mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

110m

Dial Color

Champagne

Jewels

19j

Frequency

36,000 bph

Power Reserve

42 hours

Year

1981

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