Seiko Cal. 6363 - 660

Seiko 6363-660

The Seiko 6363-660 represents an important milestone in Seiko's 1979 lineup. Powered by the 6363 caliber with 18j jewels beating at 36,000 bph, it delivers a 46 hours power reserve. [seikata-wm-a435dfab89c2]

Also known as: Tuna, Rally

Specifications

Movement
Quartz
Case Material
Two-Tone
Case Width
42mm
Case Thickness
14.1mm
Lug Width
21mm
Crystal
Hardlex
Bezel
Inner Rotating
Water Resistance
160m
Dial Color
Silver
Jewels
18j
Frequency
36,000 bph
Power Reserve
46 hours
Year
1979

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