Seiko Cal. 6621 - 628

The 6621-628 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 6621 caliber with 31j jewels beating at 21,600 bph, it delivers a 68 hours power reserve. [seikata-wm-5df506ca6e70]

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

44mm

Case Thickness

10.6mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

White

Jewels

31j

Frequency

21,600 bph

Power Reserve

68 hours

Year

1998

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