Seiko Cal. 6620 - 266

Seiko 6620-266

This Hand-Winding model from 1966 features a 44mm Stainless Steel case. Powered by the 6620 caliber with 33j jewels beating at 28,800 bph, it delivers a 72 hours power reserve. [seikata-wm-d3807ec3d1b7]

Specifications

Movement
Hand-Winding
Case Material
Stainless Steel
Case Width
44mm
Case Thickness
12.5mm
Lug Width
18mm
Crystal
Mineral
Bezel
Bidirectional
Water Resistance
70m
Dial Color
Silver
Jewels
33j
Frequency
28,800 bph
Power Reserve
72 hours
Year
1966

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seikata-wm-d3807ec3d1b7