Seiko Cal. 4447 - 990

Seiko 4447-990

The 4447-990 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 4447 caliber with 18j jewels beating at 21,600 bph, it delivers a 40 hours power reserve. [seikata-wm-68f946df1254]

Specifications

Movement
Kinetic
Case Material
Two-Tone
Case Width
44mm
Case Thickness
13.7mm
Lug Width
21mm
Crystal
Acrylic
Bezel
Bidirectional
Water Resistance
60m
Dial Color
Black
Jewels
18j
Frequency
21,600 bph
Power Reserve
40 hours
Year
1968

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