Seiko Cal. 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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