Seiko Cal. 5650 - 939

Seiko 5650-939

The 5650-939 is a sought-after Solar piece from Seiko's golden era. Powered by the 5650 caliber with 28j jewels beating at 36,000 bph, it delivers a 45 hours power reserve. [seikata-wm-410341331e10]

Also known as: Sumo

Specifications

Movement
Solar
Case Material
PVD Black
Case Width
44mm
Case Thickness
14.1mm
Lug Width
19mm
Crystal
Acrylic
Bezel
Bidirectional
Water Resistance
200m
Dial Color
Navy
Jewels
28j
Frequency
36,000 bph
Power Reserve
45 hours
Year
1990

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seikata-wm-410341331e10