Seiko Cal. 6664 - 720

Seiko 6664-720

The 6664-720 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6664 caliber with 34j jewels beating at 36,000 bph, it delivers a 63 hours power reserve. [seikata-wm-22cde249f406]

Also known as: Silverwave

Specifications

Movement
Spring Drive
Case Material
Titanium
Case Width
42mm
Case Thickness
14.8mm
Lug Width
22mm
Crystal
Mineral
Bezel
Fixed
Water Resistance
110m
Dial Color
White
Jewels
34j
Frequency
36,000 bph
Power Reserve
63 hours
Year
1992

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seikata-wm-22cde249f406