Seiko Cal. 6631 - 435

Seiko 6631-435

The 6631-435 is a sought-after Automatic piece from Seiko's golden era. The Rotating bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-46a74e1b8607]

Also known as: Panda, Arnie

Specifications

Movement
Automatic
Case Material
Titanium
Case Width
44mm
Case Thickness
10.6mm
Lug Width
20mm
Crystal
Acrylic
Bezel
Rotating
Water Resistance
130m
Dial Color
Green
Jewels
32j
Frequency
28,800 bph
Power Reserve
59 hours
Year
1973

Related Models

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