Seiko Cal. 6623 - 930

The 6623-930 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6623 caliber with 17j jewels beating at 28,800 bph, it delivers a 54 hours power reserve. [seikata-wm-ff52bee225b2]

Also known as: Rally

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

36mm

Case Thickness

11.3mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

70m

Dial Color

Silver

Jewels

17j

Frequency

28,800 bph

Power Reserve

54 hours

Year

1999

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