Seiko Cal. 5631 - 550

Seiko 5631-550

This Kinetic model from 1966 features a 36mm Hardlex-Coated Steel case. The Rotating bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-2db70f91f362]

Specifications

Movement
Kinetic
Case Material
Hardlex-Coated Steel
Case Width
36mm
Case Thickness
15.2mm
Lug Width
22mm
Crystal
Sapphire
Bezel
Rotating
Water Resistance
50m
Dial Color
Champagne
Jewels
24j
Frequency
28,800 bph
Power Reserve
52 hours
Year
1966

Related Models

seikata-wm-2db70f91f362