Seiko Cal. 6657 - 499

Seiko 6657-499

The 6657-499 is a sought-after Automatic piece from Seiko's golden era. With its 20mm lug width and 15.6mm profile, it sits comfortably on most wrists. [seikata-wm-2315aba4246e]

Also known as: Sumo, Flighty

Specifications

Movement
Automatic
Case Material
Hardlex-Coated Steel
Case Width
43mm
Case Thickness
15.6mm
Lug Width
20mm
Crystal
Sapphire
Bezel
Inner Rotating
Water Resistance
40m
Dial Color
Navy
Jewels
25j
Frequency
28,800 bph
Power Reserve
64 hours
Year
1990

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seikata-wm-2315aba4246e