Seiko Cal. 6634 - 116

Seiko 6634-116

The Seiko 6634-116 represents an important milestone in Seiko's 1990 lineup. Powered by the 6634 caliber with 18j jewels beating at 21,600 bph, it delivers a 44 hours power reserve. [seikata-wm-bd7485dc5be1]

Also known as: UFO, Sportsmatic

Specifications

Movement
Spring Drive
Case Material
Two-Tone
Case Width
45mm
Case Thickness
8.4mm
Lug Width
20mm
Crystal
Hardlex
Bezel
Rotating
Water Resistance
110m
Dial Color
Green
Jewels
18j
Frequency
21,600 bph
Power Reserve
44 hours
Year
1990

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