Seiko Cal. 4421 - 570

Seiko 4421-570

This Automatic model from 1967 features a 38mm Hardlex-Coated Steel case. Powered by the 4421 caliber with 19j jewels beating at 36,000 bph, it delivers a 51 hours power reserve. [seikata-wm-9bb049f33d9d]

Specifications

Movement
Automatic
Case Material
Hardlex-Coated Steel
Case Width
38mm
Case Thickness
8.8mm
Lug Width
18mm
Crystal
Mineral
Bezel
Bidirectional
Water Resistance
130m
Dial Color
Cream
Jewels
19j
Frequency
36,000 bph
Power Reserve
51 hours
Year
1967

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