Seiko Cal. 4440 - 907

Seiko 4440-907

The 4440-907 is a sought-after Automatic piece from Seiko's golden era. Powered by the 4440 caliber with 28j jewels beating at 28,800 bph, it delivers a 46 hours power reserve. [seikata-wm-89562c188122]

Specifications

Movement
Automatic
Case Material
Titanium
Case Width
44mm
Case Thickness
10.6mm
Lug Width
20mm
Crystal
Sapphire
Bezel
Rotating
Water Resistance
90m
Dial Color
Cream
Jewels
28j
Frequency
28,800 bph
Power Reserve
46 hours
Year
1973

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seikata-wm-89562c188122