Seiko Cal. 6634 - 687

Seiko 6634-687

The 6634-687 is a sought-after Kinetic piece from Seiko's golden era. The Rotating bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-9d89d845e935]

Also known as: Monster

Specifications

Movement
Kinetic
Case Material
Gold-Plated
Case Width
46mm
Case Thickness
13.6mm
Lug Width
20mm
Crystal
Acrylic
Bezel
Rotating
Water Resistance
30m
Dial Color
Black
Jewels
24j
Frequency
28,800 bph
Power Reserve
41 hours
Year
1975

Related Models

seikata-wm-9d89d845e935