Seiko Cal. 4424 - 633

Seiko 4424-633

This Automatic model from 1970 features a 34mm Titanium case. Powered by the 4424 caliber with 21j jewels beating at 21,600 bph, it delivers a 44 hours power reserve. [seikata-wm-e78cdc93d817]

Specifications

Movement
Automatic
Case Material
Titanium
Case Width
34mm
Case Thickness
11.3mm
Lug Width
18mm
Crystal
Acrylic
Bezel
Fixed
Water Resistance
190m
Dial Color
Black
Jewels
21j
Frequency
21,600 bph
Power Reserve
44 hours
Year
1970

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seikata-wm-e78cdc93d817