Seiko Cal. 6637 - 806

Seiko 6637-806

This Automatic model from 1974 features a 45mm Hardlex-Coated Steel case. With its 22mm lug width and 8.6mm profile, it sits comfortably on most wrists. [seikata-wm-240688cf6272]

Also known as: Monster, Flighty

Specifications

Movement
Automatic
Case Material
Hardlex-Coated Steel
Case Width
45mm
Case Thickness
8.6mm
Lug Width
22mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
80m
Dial Color
Silver
Jewels
19j
Frequency
28,800 bph
Power Reserve
64 hours
Year
1974

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seikata-wm-240688cf6272