Seiko Cal. 5633 - 507

Seiko 5633-507

This Automatic model from 1970 features a 44mm Hardlex-Coated Steel case. With its 21mm lug width and 15.1mm profile, it sits comfortably on most wrists. [seikata-wm-c8c27ce8559a]

Also known as: Sumo, Tuna

Specifications

Movement
Automatic
Case Material
Hardlex-Coated Steel
Case Width
44mm
Case Thickness
15.1mm
Lug Width
21mm
Crystal
Hardlex
Bezel
Rotating
Water Resistance
130m
Dial Color
Blue Sunburst
Jewels
19j
Frequency
36,000 bph
Power Reserve
65 hours
Year
1970

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