Seiko Cal. 6635 - 429

Seiko 6635-429

The 6635-429 is a sought-after Spring Drive piece from Seiko's golden era. The Rotating bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-4b14f9c8090a]

Also known as: Turtle, Bellmatic

Specifications

Movement
Spring Drive
Case Material
Stainless Steel
Case Width
44mm
Case Thickness
11.9mm
Lug Width
20mm
Crystal
Hardlex
Bezel
Rotating
Water Resistance
40m
Dial Color
Blue Sunburst
Jewels
18j
Frequency
36,000 bph
Power Reserve
47 hours
Year
1974

Related Models

seikata-wm-4b14f9c8090a