Seiko Cal. 6635 - 561

Seiko 6635-561

The Seiko 6635-561 represents an important milestone in Seiko's 1999 lineup. Powered by the 6635 caliber with 25j jewels beating at 28,800 bph, it delivers a 36 hours power reserve. [seikata-wm-cdcd57e18670]

Also known as: Monster, Sea Horse

Specifications

Movement
Quartz
Case Material
Hardlex-Coated Steel
Case Width
39mm
Case Thickness
9.4mm
Lug Width
19mm
Crystal
Acrylic
Bezel
Inner Rotating
Water Resistance
80m
Dial Color
Blue Sunburst
Jewels
25j
Frequency
28,800 bph
Power Reserve
36 hours
Year
1999

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seikata-wm-cdcd57e18670