Seiko Cal. 6634 - 367

Seiko 6634-367

This Automatic model from 1972 features a 43mm Two-Tone case. The Inner Rotating bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-301a53a8419c]

Also known as: Bullhead

Specifications

Movement
Automatic
Case Material
Two-Tone
Case Width
43mm
Case Thickness
9.6mm
Lug Width
20mm
Crystal
Sapphire
Bezel
Inner Rotating
Water Resistance
140m
Dial Color
Navy
Jewels
22j
Frequency
36,000 bph
Power Reserve
58 hours
Year
1972

Related Models

seikata-wm-301a53a8419c