Seiko Cal. 4442 - 183

Seiko 4442-183

This Quartz model from 1965 features a 45mm Hardlex-Coated Steel case. The Bidirectional bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-5e8b47d800e5]

Also known as: Sumo, Rally

Specifications

Movement
Quartz
Case Material
Hardlex-Coated Steel
Case Width
45mm
Case Thickness
10.0mm
Lug Width
22mm
Crystal
Hardlex
Bezel
Bidirectional
Water Resistance
140m
Dial Color
White
Jewels
22j
Frequency
21,600 bph
Power Reserve
58 hours
Year
1965

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