Seiko Cal. 6648 - 520

Seiko 6648-520

The Seiko 6648-520 represents an important milestone in Seiko's 1995 lineup. Powered by the 6648 caliber with 34j jewels beating at 28,800 bph, it delivers a 51 hours power reserve. [seikata-wm-226bd54240ea]

Also known as: Sumo, Navigator

Specifications

Movement
Spring Drive
Case Material
Hardlex-Coated Steel
Case Width
34mm
Case Thickness
10.0mm
Lug Width
19mm
Crystal
Sapphire
Bezel
Rotating
Water Resistance
80m
Dial Color
Blue Sunburst
Jewels
34j
Frequency
28,800 bph
Power Reserve
51 hours
Year
1995

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