Seiko Cal. 6649 - 740

Seiko 6649-740

The Seiko 6649-740 represents an important milestone in Seiko's 1985 lineup. Powered by the 6649 caliber with 30j jewels beating at 36,000 bph, it delivers a 60 hours power reserve. [seikata-wm-ce0a4efd266b]

Also known as: Silverwave, Baby Tuna

Specifications

Movement
Kinetic
Case Material
Gold-Plated
Case Width
42mm
Case Thickness
11.2mm
Lug Width
19mm
Crystal
Acrylic
Bezel
Rotating
Water Resistance
90m
Dial Color
Navy
Jewels
30j
Frequency
36,000 bph
Power Reserve
60 hours
Year
1985

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