Seiko Cal. 5637 - 466

Seiko 5637-466

This Quartz model from 1973 features a 43mm PVD Black case. The Bidirectional bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-5a44bd263e98]

Also known as: Sumo

Specifications

Movement
Quartz
Case Material
PVD Black
Case Width
43mm
Case Thickness
8.1mm
Lug Width
21mm
Crystal
Acrylic
Bezel
Bidirectional
Water Resistance
200m
Dial Color
Blue Sunburst
Jewels
31j
Frequency
21,600 bph
Power Reserve
54 hours
Year
1973

Related Models

seikata-wm-5a44bd263e98