Seiko Cal. 5631 - 116

Seiko 5631-116

This Kinetic model from 1974 features a 44mm Hardlex-Coated Steel case. With its 20mm lug width and 15.4mm profile, it sits comfortably on most wrists. [seikata-wm-e36c090509b8]

Also known as: Tuna, Arnie

Specifications

Movement
Kinetic
Case Material
Hardlex-Coated Steel
Case Width
44mm
Case Thickness
15.4mm
Lug Width
20mm
Crystal
Mineral
Bezel
Inner Rotating
Water Resistance
170m
Dial Color
Burgundy
Jewels
26j
Frequency
28,800 bph
Power Reserve
46 hours
Year
1974

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