Seiko Cal. 5635 - 645

Seiko 5635-645

This Solar model from 1970 features a 36mm Titanium case. The Bidirectional bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-301d4db6e7ef]

Also known as: Monster, Bellmatic

Specifications

Movement
Solar
Case Material
Titanium
Case Width
36mm
Case Thickness
13.1mm
Lug Width
20mm
Crystal
Mineral
Bezel
Bidirectional
Water Resistance
70m
Dial Color
Blue Sunburst
Jewels
32j
Frequency
21,600 bph
Power Reserve
45 hours
Year
1970

Related Models

seikata-wm-301d4db6e7ef