Seiko Cal. 4439 - 578

Seiko 4439-578

The 4439-578 is a sought-after Automatic piece from Seiko's golden era. Powered by the 4439 caliber with 21j jewels beating at 36,000 bph, it delivers a 43 hours power reserve. [seikata-wm-e4dff2948c55]

Specifications

Movement
Automatic
Case Material
Titanium
Case Width
37mm
Case Thickness
10.1mm
Lug Width
20mm
Crystal
Hardlex
Bezel
Inner Rotating
Water Resistance
60m
Dial Color
White
Jewels
21j
Frequency
36,000 bph
Power Reserve
43 hours
Year
1971

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