Seiko Cal. 6630 - 881

The 6630-881 is a sought-after Quartz piece from Seiko's golden era. Powered by the 6630 caliber with 22j jewels beating at 36,000 bph, it delivers a 42 hours power reserve. [seikata-wm-441e699fd4a9]

Also known as: World Timer

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

15.1mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

40m

Dial Color

Champagne

Jewels

22j

Frequency

36,000 bph

Power Reserve

42 hours

Year

1972

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