Seiko Cal. 5688 - 577

Seiko 5688-577

The 5688-577 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 5688 caliber with 20j jewels beating at 28,800 bph, it delivers a 47 hours power reserve. [seikata-wm-1598bfecb7da]

Also known as: Sea Horse

Specifications

Movement
Spring Drive
Case Material
PVD Black
Case Width
34mm
Case Thickness
12.4mm
Lug Width
20mm
Crystal
Sapphire
Bezel
Fixed
Water Resistance
40m
Dial Color
Cream
Jewels
20j
Frequency
28,800 bph
Power Reserve
47 hours
Year
1981

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