Seiko Cal. 6657 - 888

Seiko 6657-888

The 6657-888 is a sought-after Spring Drive piece from Seiko's golden era. With its 22mm lug width and 10.4mm profile, it sits comfortably on most wrists. [seikata-wm-a59a4a6a57bb]

Also known as: Crown, Flighty

Specifications

Movement
Spring Drive
Case Material
Hardlex-Coated Steel
Case Width
43mm
Case Thickness
10.4mm
Lug Width
22mm
Crystal
Sapphire
Bezel
Rotating
Water Resistance
160m
Dial Color
Silver
Jewels
23j
Frequency
36,000 bph
Power Reserve
45 hours
Year
1968

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