Seiko Cal. 6664 - 638

Seiko 6664-638

The 6664-638 is a sought-after Automatic piece from Seiko's golden era. The Inner Rotating bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-e134515f7baa]

Also known as: Bullhead, Emperor

Specifications

Movement
Automatic
Case Material
Titanium
Case Width
35mm
Case Thickness
12.0mm
Lug Width
20mm
Crystal
Acrylic
Bezel
Inner Rotating
Water Resistance
140m
Dial Color
White
Jewels
23j
Frequency
28,800 bph
Power Reserve
60 hours
Year
1993

Related Models

seikata-wm-e134515f7baa