Seiko Cal. 4550 - 722

Seiko 4550-722

This Quartz model from 1984 features a 42mm Hardlex-Coated Steel case. The Rotating bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-3c59c09e3098]

Also known as: Sumo, Navigator

Specifications

Movement
Quartz
Case Material
Hardlex-Coated Steel
Case Width
42mm
Case Thickness
15.2mm
Lug Width
19mm
Crystal
Acrylic
Bezel
Rotating
Water Resistance
180m
Dial Color
Blue Sunburst
Jewels
20j
Frequency
36,000 bph
Power Reserve
46 hours
Year
1984

Related Models

seikata-wm-3c59c09e3098