Seiko Cal. 4433 - 623

The Seiko 4433-623 represents an important milestone in Seiko's 1983 lineup. Powered by the 4433 caliber with 19j jewels beating at 21,600 bph, it delivers a 71 hours power reserve. [seikata-wm-a4090518e260]

Also known as: Helmet

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

15.4mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

140m

Dial Color

Blue Sunburst

Jewels

19j

Frequency

21,600 bph

Power Reserve

71 hours

Year

1983

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