Seiko Cal. 6620 - 629

The 6620-629 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6620 caliber with 17j jewels beating at 21,600 bph, it delivers a 43 hours power reserve. [seikata-wm-c432eb13fa10]

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

35mm

Case Thickness

10.0mm

Lug Width

19mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

150m

Dial Color

Cream

Jewels

17j

Frequency

21,600 bph

Power Reserve

43 hours

Year

1972

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