Seiko Cal. 6663 - 930

Seiko 6663-930

The 6663-930 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6663 caliber with 31j jewels beating at 36,000 bph, it delivers a 71 hours power reserve. [seikata-wm-a4e39d9b5416]

Also known as: Arnie

Specifications

Movement
Spring Drive
Case Material
PVD Black
Case Width
44mm
Case Thickness
10.8mm
Lug Width
18mm
Crystal
Acrylic
Bezel
Coin-Edge
Water Resistance
90m
Dial Color
Silver
Jewels
31j
Frequency
36,000 bph
Power Reserve
71 hours
Year
1971

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seikata-wm-a4e39d9b5416