Seiko Cal. 4440 - 940

Seiko 4440-940

The 4440-940 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 4440 caliber with 33j jewels beating at 21,600 bph, it delivers a 69 hours power reserve. [seikata-wm-c3d1157fd287]

Also known as: UFO, World Timer

Specifications

Movement
Hand-Winding
Case Material
PVD Black
Case Width
40mm
Case Thickness
12.0mm
Lug Width
18mm
Crystal
Hardlex
Bezel
Bidirectional
Water Resistance
100m
Dial Color
Silver
Jewels
33j
Frequency
21,600 bph
Power Reserve
69 hours
Year
1987

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seikata-wm-c3d1157fd287