Seiko Cal. 6624 - 172

The 6624-172 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6624 caliber with 25j jewels beating at 28,800 bph, it delivers a 40 hours power reserve. [seikata-wm-75fe6777665a]

Also known as: Sumo, Flighty

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

44mm

Case Thickness

14.8mm

Lug Width

22mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

120m

Dial Color

Silver

Jewels

25j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1981

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