Seiko Cal. 4423 - 123

Seiko 4423-123

This Automatic model from 1981 features a 44mm Stainless Steel case. Powered by the 4423 caliber with 20j jewels beating at 28,800 bph, it delivers a 39 hours power reserve. [seikata-wm-84346ec62b8f]

Also known as: Sumo, UFO

Specifications

Movement
Automatic
Case Material
Stainless Steel
Case Width
44mm
Case Thickness
15.0mm
Lug Width
18mm
Crystal
Acrylic
Bezel
Rotating
Water Resistance
150m
Dial Color
Champagne
Jewels
20j
Frequency
28,800 bph
Power Reserve
39 hours
Year
1981

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