Seiko Cal. 5633 - 718

Seiko 5633-718

This Automatic model from 1965 features a 44mm Gold-Plated case. With its 22mm lug width and 11.9mm profile, it sits comfortably on most wrists. [seikata-wm-a763d78e7edd]

Also known as: Sportsmatic, Baby Tuna

Specifications

Movement
Automatic
Case Material
Gold-Plated
Case Width
44mm
Case Thickness
11.9mm
Lug Width
22mm
Crystal
Sapphire
Bezel
Rotating
Water Resistance
140m
Dial Color
Blue Sunburst
Jewels
23j
Frequency
36,000 bph
Power Reserve
41 hours
Year
1965

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