Seiko Cal. 6337 - 635

Seiko 6337-635

The Seiko 6337-635 represents an important milestone in Seiko's 1999 lineup. Powered by the 6337 caliber with 29j jewels beating at 28,800 bph, it delivers a 65 hours power reserve. [seikata-wm-34990dfd47a1]

Also known as: UFO, Sportsmatic

Specifications

Movement
Quartz
Case Material
Gold-Plated
Case Width
40mm
Case Thickness
15.5mm
Lug Width
21mm
Crystal
Acrylic
Bezel
Rotating
Water Resistance
100m
Dial Color
Black
Jewels
29j
Frequency
28,800 bph
Power Reserve
65 hours
Year
1999

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