Seiko Cal. 4436 - 907

Seiko 4436-907

The 4436-907 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 4436 caliber with 22j jewels beating at 36,000 bph, it delivers a 69 hours power reserve. [seikata-wm-7ace42f3d219]

Also known as: Sportsmatic

Specifications

Movement
Kinetic
Case Material
Gold-Plated
Case Width
42mm
Case Thickness
13.8mm
Lug Width
22mm
Crystal
Mineral
Bezel
Inner Rotating
Water Resistance
160m
Dial Color
White
Jewels
22j
Frequency
36,000 bph
Power Reserve
69 hours
Year
1991

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seikata-wm-7ace42f3d219