Seiko Cal. 6630 - 722

This Quartz model from 1972 features a 42mm Stainless Steel case. Powered by the 6630 caliber with 36j jewels beating at 21,600 bph, it delivers a 55 hours power reserve. [seikata-wm-68b7000c2191]

Also known as: Samurai

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

42mm

Case Thickness

10.3mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

White

Jewels

36j

Frequency

21,600 bph

Power Reserve

55 hours

Year

1972

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