Seiko Cal. 4439 - 906

Seiko 4439-906

This Hand-Winding model from 1994 features a 42mm Stainless Steel case. Powered by the 4439 caliber with 29j jewels beating at 36,000 bph, it delivers a 67 hours power reserve. [seikata-wm-61e822bd2f36]

Also known as: Sumo

Specifications

Movement
Hand-Winding
Case Material
Stainless Steel
Case Width
42mm
Case Thickness
11.0mm
Lug Width
22mm
Crystal
Acrylic
Bezel
Bidirectional
Water Resistance
50m
Dial Color
Black
Jewels
29j
Frequency
36,000 bph
Power Reserve
67 hours
Year
1994

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seikata-wm-61e822bd2f36