Seiko Cal. 4430 - 394

Seiko 4430-394

This Spring Drive model from 1972 features a 36mm Stainless Steel case. Powered by the 4430 caliber with 31j jewels beating at 36,000 bph, it delivers a 41 hours power reserve. [seikata-wm-e502c8dd8fb8]

Also known as: Crown, Arnie

Specifications

Movement
Spring Drive
Case Material
Stainless Steel
Case Width
36mm
Case Thickness
13.7mm
Lug Width
18mm
Crystal
Acrylic
Bezel
Fixed
Water Resistance
120m
Dial Color
Blue Sunburst
Jewels
31j
Frequency
36,000 bph
Power Reserve
41 hours
Year
1972

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