Seiko Cal. 4433 - 623

Seiko 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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seikata-wm-a4090518e260