Seiko Cal. 6661 - 415

Seiko 6661-415

This Spring Drive model from 1977 features a 46mm Hardlex-Coated Steel case. Powered by the 6661 caliber with 20j jewels beating at 21,600 bph, it delivers a 72 hours power reserve. [seikata-wm-aa3e61c06597]

Also known as: Flighty

Specifications

Movement
Spring Drive
Case Material
Hardlex-Coated Steel
Case Width
46mm
Case Thickness
8.8mm
Lug Width
21mm
Crystal
Mineral
Bezel
Rotating
Water Resistance
70m
Dial Color
Silver
Jewels
20j
Frequency
21,600 bph
Power Reserve
72 hours
Year
1977

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seikata-wm-aa3e61c06597