Seiko Cal. 6630 - 966

This Spring Drive model from 1980 features a 43mm PVD Black case. Powered by the 6630 caliber with 30j jewels beating at 21,600 bph, it delivers a 42 hours power reserve. [seikata-wm-4b82c515acbc]

Also known as: UFO

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

43mm

Case Thickness

9.4mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

150m

Dial Color

Navy

Jewels

30j

Frequency

21,600 bph

Power Reserve

42 hours

Year

1980

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