Seiko Cal. 4531 - 634

Seiko 4531-634

This Hand-Winding model from 1999 features a 42mm Titanium case. The Inner Rotating bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-8c957d78e428]

Also known as: Sumo, Rally

Specifications

Movement
Hand-Winding
Case Material
Titanium
Case Width
42mm
Case Thickness
14.7mm
Lug Width
21mm
Crystal
Acrylic
Bezel
Inner Rotating
Water Resistance
140m
Dial Color
Black
Jewels
27j
Frequency
21,600 bph
Power Reserve
56 hours
Year
1999

Related Models

seikata-wm-8c957d78e428