Seiko Cal. 6634 - 743

Seiko 6634-743

This Automatic model from 1968 features a 35mm Hardlex-Coated Steel case. The Rotating bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-72c43cac7842]

Also known as: Sumo

Specifications

Movement
Automatic
Case Material
Hardlex-Coated Steel
Case Width
35mm
Case Thickness
12.9mm
Lug Width
21mm
Crystal
Acrylic
Bezel
Rotating
Water Resistance
40m
Dial Color
Navy
Jewels
28j
Frequency
28,800 bph
Power Reserve
43 hours
Year
1968

Related Models

seikata-wm-72c43cac7842