Seiko Cal. 7188 - 636

Seiko 7188-636

This Automatic model from 1971 features a 42mm Hardlex-Coated Steel case. With its 22mm lug width and 8.3mm profile, it sits comfortably on most wrists. [seikata-wm-0a2e1a7a2527]

Also known as: Navigator

Specifications

Movement
Automatic
Case Material
Hardlex-Coated Steel
Case Width
42mm
Case Thickness
8.3mm
Lug Width
22mm
Crystal
Mineral
Bezel
Inner Rotating
Water Resistance
70m
Dial Color
Green
Jewels
24j
Frequency
21,600 bph
Power Reserve
38 hours
Year
1971

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