Seiko Cal. 5660 - 666

Seiko 5660-666

The 5660-666 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 5660 caliber with 19j jewels beating at 28,800 bph, it delivers a 59 hours power reserve. [seikata-wm-b5a745d97239]

Also known as: Turtle, Shogun

Specifications

Movement
Spring Drive
Case Material
Gold-Plated
Case Width
38mm
Case Thickness
11.8mm
Lug Width
18mm
Crystal
Mineral
Bezel
Rotating
Water Resistance
110m
Dial Color
Cream
Jewels
19j
Frequency
28,800 bph
Power Reserve
59 hours
Year
1969

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seikata-wm-b5a745d97239