Seiko Cal. 6649 - 575

Seiko 6649-575

The Seiko 6649-575 represents an important milestone in Seiko's 1979 lineup. Powered by the 6649 caliber with 21j jewels beating at 36,000 bph, it delivers a 63 hours power reserve. [seikata-wm-78d368409db4]

Also known as: Sumo, Sea Horse

Specifications

Movement
Solar
Case Material
Hardlex-Coated Steel
Case Width
37mm
Case Thickness
14.0mm
Lug Width
22mm
Crystal
Hardlex
Bezel
Bidirectional
Water Resistance
30m
Dial Color
Green
Jewels
21j
Frequency
36,000 bph
Power Reserve
63 hours
Year
1979

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