Seiko Cal. 6657 - 824

Seiko 6657-824

The Seiko 6657-824 represents an important milestone in Seiko's 1966 lineup. With its 21mm lug width and 11.8mm profile, it sits comfortably on most wrists. [seikata-wm-d26206752977]

Also known as: Monster, Shogun

Specifications

Movement
Quartz
Case Material
Hardlex-Coated Steel
Case Width
34mm
Case Thickness
11.8mm
Lug Width
21mm
Crystal
Sapphire
Bezel
Rotating
Water Resistance
60m
Dial Color
Silver
Jewels
17j
Frequency
36,000 bph
Power Reserve
62 hours
Year
1966

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