Seiko Cal. 4413 - 904

Seiko 4413-904

This Spring Drive model from 1973 features a 42mm Hardlex-Coated Steel case. Powered by the 4413 caliber with 21j jewels beating at 36,000 bph, it delivers a 62 hours power reserve. [seikata-wm-bec962693e1f]

Also known as: Goldfeather

Specifications

Movement
Spring Drive
Case Material
Hardlex-Coated Steel
Case Width
42mm
Case Thickness
14.7mm
Lug Width
19mm
Crystal
Hardlex
Bezel
Bidirectional
Water Resistance
100m
Dial Color
White
Jewels
21j
Frequency
36,000 bph
Power Reserve
62 hours
Year
1973

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