Seiko Cal. 6661 - 330

Seiko 6661-330

The 6661-330 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6661 caliber with 18j jewels beating at 36,000 bph, it delivers a 60 hours power reserve. [seikata-wm-92ef1fa97c1a]

Also known as: Arnie

Specifications

Movement
Spring Drive
Case Material
Hardlex-Coated Steel
Case Width
35mm
Case Thickness
8.6mm
Lug Width
21mm
Crystal
Hardlex
Bezel
Rotating
Water Resistance
150m
Dial Color
Green
Jewels
18j
Frequency
36,000 bph
Power Reserve
60 hours
Year
1965

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