Seiko Cal. 6657 - 889

Seiko 6657-889

The 6657-889 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 6657 caliber with 35j jewels beating at 21,600 bph, it delivers a 64 hours power reserve. [seikata-wm-bd9fa063ca1c]

Also known as: Sea Horse, Baby Tuna

Specifications

Movement
Hand-Winding
Case Material
Hardlex-Coated Steel
Case Width
34mm
Case Thickness
14.0mm
Lug Width
21mm
Crystal
Sapphire
Bezel
Rotating
Water Resistance
190m
Dial Color
Cream
Jewels
35j
Frequency
21,600 bph
Power Reserve
64 hours
Year
1981

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