Seiko Cal. 6650 - 851

Seiko 6650-851

This Hand-Winding model from 1969 features a 36mm Hardlex-Coated Steel case. Powered by the 6650 caliber with 23j jewels beating at 28,800 bph, it delivers a 70 hours power reserve. [seikata-wm-d000c482979a]

Also known as: Sumo, Tuna

Specifications

Movement
Hand-Winding
Case Material
Hardlex-Coated Steel
Case Width
36mm
Case Thickness
10.8mm
Lug Width
22mm
Crystal
Acrylic
Bezel
Rotating
Water Resistance
160m
Dial Color
Cream
Jewels
23j
Frequency
28,800 bph
Power Reserve
70 hours
Year
1969

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seikata-wm-d000c482979a