Seiko Cal. 4443 - 635

The Seiko 4443-635 represents an important milestone in Seiko's 1979 lineup. Powered by the 4443 caliber with 19j jewels beating at 36,000 bph, it delivers a 67 hours power reserve. [seikata-wm-410d62d80079]

Also known as: Monster, Rally

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

42mm

Case Thickness

9.6mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

Blue Sunburst

Jewels

19j

Frequency

36,000 bph

Power Reserve

67 hours

Year

1979

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