Seiko Cal. 4439 - 945

Seiko 4439-945

The 4439-945 is a sought-after Solar piece from Seiko's golden era. Powered by the 4439 caliber with 33j jewels beating at 28,800 bph, it delivers a 57 hours power reserve. [seikata-wm-90d2eb6c03f7]

Also known as: Tuna, Sea Horse

Specifications

Movement
Solar
Case Material
PVD Black
Case Width
34mm
Case Thickness
15.5mm
Lug Width
19mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
160m
Dial Color
Cream
Jewels
33j
Frequency
28,800 bph
Power Reserve
57 hours
Year
1987

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