Seiko Cal. 6650 - 352

Seiko 6650-352

The 6650-352 is a sought-after Solar piece from Seiko's golden era. Powered by the 6650 caliber with 26j jewels beating at 28,800 bph, it delivers a 42 hours power reserve. [seikata-wm-785ff17fe3e6]

Also known as: Sumo, Tuna

Specifications

Movement
Solar
Case Material
PVD Black
Case Width
40mm
Case Thickness
10.8mm
Lug Width
21mm
Crystal
Mineral
Bezel
Fixed
Water Resistance
110m
Dial Color
White
Jewels
26j
Frequency
28,800 bph
Power Reserve
42 hours
Year
1986

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