Seiko Cal. 4422 - 238

Seiko 4422-238

This Hand-Winding model from 1968 features a 37mm PVD Black case. The Inner Rotating bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-99c9b29504d1]

Also known as: Silverwave, World Timer

Specifications

Movement
Hand-Winding
Case Material
PVD Black
Case Width
37mm
Case Thickness
8.7mm
Lug Width
22mm
Crystal
Mineral
Bezel
Inner Rotating
Water Resistance
40m
Dial Color
Champagne
Jewels
22j
Frequency
36,000 bph
Power Reserve
43 hours
Year
1968

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