Seiko Cal. 6630 - 872

The Seiko 6630-872 represents an important milestone in Seiko's 1968 lineup. Powered by the 6630 caliber with 20j jewels beating at 36,000 bph, it delivers a 70 hours power reserve. [seikata-wm-aa63d20922cb]

Also known as: Samurai, Bullhead

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

14.3mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

140m

Dial Color

Cream

Jewels

20j

Frequency

36,000 bph

Power Reserve

70 hours

Year

1968

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