Seiko Cal. 5688 - 664

Seiko 5688-664

The 5688-664 is a sought-after Automatic piece from Seiko's golden era. Powered by the 5688 caliber with 17j jewels beating at 21,600 bph, it delivers a 47 hours power reserve. [seikata-wm-a781b2250ea1]

Also known as: Sea Horse

Specifications

Movement
Automatic
Case Material
Gold-Plated
Case Width
46mm
Case Thickness
11.5mm
Lug Width
18mm
Crystal
Mineral
Bezel
Inner Rotating
Water Resistance
130m
Dial Color
Navy
Jewels
17j
Frequency
21,600 bph
Power Reserve
47 hours
Year
1980

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