Seiko Cal. 6623 - 622

This Spring Drive model from 1988 features a 35mm Gold-Plated case. Powered by the 6623 caliber with 20j jewels beating at 28,800 bph, it delivers a 43 hours power reserve. [seikata-wm-d6f6acaf39aa]

Also known as: Bullhead, Navigator

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

35mm

Case Thickness

14.3mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

200m

Dial Color

Black

Jewels

20j

Frequency

28,800 bph

Power Reserve

43 hours

Year

1988

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