Seiko Cal. 6630 - 902

This Hand-Winding model from 1966 features a 35mm Hardlex-Coated Steel case. Powered by the 6630 caliber with 21j jewels beating at 36,000 bph, it delivers a 64 hours power reserve. [seikata-wm-62f9b75bae36]

Also known as: Bullhead, Flighty

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

12.8mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

200m

Dial Color

Cream

Jewels

21j

Frequency

36,000 bph

Power Reserve

64 hours

Year

1966

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