Seiko Cal. 6656 - 580

Seiko 6656-580

The 6656-580 is a sought-after Kinetic piece from Seiko's golden era. The Rotating bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-4aac742af7da]

Also known as: Bullhead

Specifications

Movement
Kinetic
Case Material
Two-Tone
Case Width
40mm
Case Thickness
10.2mm
Lug Width
20mm
Crystal
Mineral
Bezel
Rotating
Water Resistance
160m
Dial Color
Blue Sunburst
Jewels
34j
Frequency
36,000 bph
Power Reserve
46 hours
Year
1978

Related Models

seikata-wm-4aac742af7da