Seiko Cal. 6657 - 443

Seiko 6657-443

The 6657-443 is a sought-after Kinetic piece from Seiko's golden era. With its 18mm lug width and 8.2mm profile, it sits comfortably on most wrists. [seikata-wm-320896d0fb51]

Also known as: Pogue, Silverwave

Specifications

Movement
Kinetic
Case Material
Hardlex-Coated Steel
Case Width
35mm
Case Thickness
8.2mm
Lug Width
18mm
Crystal
Sapphire
Bezel
Rotating
Water Resistance
150m
Dial Color
Cream
Jewels
30j
Frequency
28,800 bph
Power Reserve
59 hours
Year
1971

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