Seiko Cal. 6640 - 413

Seiko 6640-413

This Automatic model from 1988 features a 41mm Titanium case. The Inner Rotating bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-c832188165c3]

Also known as: Rally

Specifications

Movement
Automatic
Case Material
Titanium
Case Width
41mm
Case Thickness
15.6mm
Lug Width
19mm
Crystal
Mineral
Bezel
Inner Rotating
Water Resistance
70m
Dial Color
Burgundy
Jewels
17j
Frequency
36,000 bph
Power Reserve
36 hours
Year
1988

Related Models

seikata-wm-c832188165c3