Seiko Cal. 6635 - 481

Seiko 6635-481

The Seiko 6635-481 represents an important milestone in Seiko's 1987 lineup. Powered by the 6635 caliber with 33j jewels beating at 28,800 bph, it delivers a 53 hours power reserve. [seikata-wm-156bc80c4039]

Also known as: Sportsmatic, Sea Horse

Specifications

Movement
Automatic
Case Material
Titanium
Case Width
36mm
Case Thickness
9.1mm
Lug Width
20mm
Crystal
Sapphire
Bezel
Fixed
Water Resistance
130m
Dial Color
Burgundy
Jewels
33j
Frequency
28,800 bph
Power Reserve
53 hours
Year
1987

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seikata-wm-156bc80c4039