Seiko Cal. 6636 - 575

Seiko 6636-575

This Automatic model from 1976 features a 41mm Hardlex-Coated Steel case. With its 20mm lug width and 12.5mm profile, it sits comfortably on most wrists. [seikata-wm-2f779f7e8217]

Also known as: Tuna

Specifications

Movement
Automatic
Case Material
Hardlex-Coated Steel
Case Width
41mm
Case Thickness
12.5mm
Lug Width
20mm
Crystal
Acrylic
Bezel
Bidirectional
Water Resistance
70m
Dial Color
Silver
Jewels
32j
Frequency
21,600 bph
Power Reserve
48 hours
Year
1976

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seikata-wm-2f779f7e8217