Seiko Cal. 6648 - 520

Seiko 6648-520

The Seiko 6648-520 represents an important milestone in Seiko's 1993 lineup. Powered by the 6648 caliber with 36j jewels beating at 21,600 bph, it delivers a 59 hours power reserve. [seikata-wm-7970993aec61]

Also known as: Sportsmatic, Navigator

Specifications

Movement
Spring Drive
Case Material
Gold-Plated
Case Width
34mm
Case Thickness
8.8mm
Lug Width
18mm
Crystal
Acrylic
Bezel
Rotating
Water Resistance
170m
Dial Color
Champagne
Jewels
36j
Frequency
21,600 bph
Power Reserve
59 hours
Year
1993

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seikata-wm-7970993aec61