Seiko Cal. 5633 - 391

Seiko 5633-391

This Hand-Winding model from 1989 features a 34mm Hardlex-Coated Steel case. The Inner Rotating bezel and 34mm case give it a distinctive presence on the wrist. [seikata-wm-988c110b314f]

Also known as: Sumo, Silverwave

Specifications

Movement
Hand-Winding
Case Material
Hardlex-Coated Steel
Case Width
34mm
Case Thickness
12.3mm
Lug Width
20mm
Crystal
Acrylic
Bezel
Inner Rotating
Water Resistance
120m
Dial Color
Navy
Jewels
29j
Frequency
21,600 bph
Power Reserve
55 hours
Year
1989

Related Models

seikata-wm-988c110b314f