Seiko Cal. 6630 - 444

The Seiko 6630-444 represents an important milestone in Seiko's 1982 lineup. Powered by the 6630 caliber with 26j jewels beating at 28,800 bph, it delivers a 38 hours power reserve. [seikata-wm-64e8876ffd3d]

Also known as: Bellmatic, World Timer

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

11.6mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Cream

Jewels

26j

Frequency

28,800 bph

Power Reserve

38 hours

Year

1982

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