Seiko Cal. 6620 - 928

Seiko 6620-928

The 6620-928 is a sought-after Solar piece from Seiko's golden era. Powered by the 6620 caliber with 21j jewels beating at 21,600 bph, it delivers a 62 hours power reserve. [seikata-wm-3e6de4d8d8dd]

Also known as: Flighty

Specifications

Movement
Solar
Case Material
Stainless Steel
Case Width
37mm
Case Thickness
12.8mm
Lug Width
19mm
Crystal
Hardlex
Bezel
Bidirectional
Water Resistance
160m
Dial Color
Cream
Jewels
21j
Frequency
21,600 bph
Power Reserve
62 hours
Year
1981

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