Seiko Cal. 6664 - 925

Seiko 6664-925

The 6664-925 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6664 caliber with 22j jewels beating at 36,000 bph, it delivers a 63 hours power reserve. [seikata-wm-327e91d82f5c]

Also known as: Turtle, Tuna

Specifications

Movement
Spring Drive
Case Material
Stainless Steel
Case Width
40mm
Case Thickness
10.5mm
Lug Width
20mm
Crystal
Mineral
Bezel
Fixed
Water Resistance
40m
Dial Color
Silver
Jewels
22j
Frequency
36,000 bph
Power Reserve
63 hours
Year
1989

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seikata-wm-327e91d82f5c