Seiko Cal. 4447 - 247

Seiko 4447-247

This Automatic model from 1970 features a 43mm Hardlex-Coated Steel case. Powered by the 4447 caliber with 31j jewels beating at 21,600 bph, it delivers a 36 hours power reserve. [seikata-wm-15ad341de0eb]

Specifications

Movement
Automatic
Case Material
Hardlex-Coated Steel
Case Width
43mm
Case Thickness
12.1mm
Lug Width
21mm
Crystal
Mineral
Bezel
Bidirectional
Water Resistance
30m
Dial Color
Burgundy
Jewels
31j
Frequency
21,600 bph
Power Reserve
36 hours
Year
1970

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