Seiko Cal. 6646 - 145

Seiko 6646-145

The 6646-145 is a sought-after Solar piece from Seiko's golden era. Powered by the 6646 caliber with 29j jewels beating at 28,800 bph, it delivers a 51 hours power reserve. [seikata-wm-1d02664092af]

Also known as: Sumo, Bullhead

Specifications

Movement
Solar
Case Material
Titanium
Case Width
45mm
Case Thickness
9.2mm
Lug Width
19mm
Crystal
Acrylic
Bezel
Fixed
Water Resistance
100m
Dial Color
Silver
Jewels
29j
Frequency
28,800 bph
Power Reserve
51 hours
Year
1970

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