Seiko Cal. 6636 - 772

Seiko 6636-772

The 6636-772 is a sought-after Solar piece from Seiko's golden era. The Fixed bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-469d3020526e]

Also known as: Monster, Bullhead

Specifications

Movement
Solar
Case Material
Gold-Plated
Case Width
41mm
Case Thickness
13.9mm
Lug Width
22mm
Crystal
Mineral
Bezel
Fixed
Water Resistance
190m
Dial Color
Blue Sunburst
Jewels
28j
Frequency
36,000 bph
Power Reserve
37 hours
Year
1977

Related Models

seikata-wm-469d3020526e