Seiko Cal. 4422 - 290

Seiko 4422-290

This Spring Drive model from 1973 features a 40mm Gold-Plated case. Powered by the 4422 caliber with 21j jewels beating at 28,800 bph, it delivers a 62 hours power reserve. [seikata-wm-3684ce392057]

Specifications

Movement
Spring Drive
Case Material
Gold-Plated
Case Width
40mm
Case Thickness
13.9mm
Lug Width
22mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
120m
Dial Color
Silver
Jewels
21j
Frequency
28,800 bph
Power Reserve
62 hours
Year
1973

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seikata-wm-3684ce392057