Seiko Cal. 6648 - 990

Seiko 6648-990

The 6648-990 is a sought-after Quartz piece from Seiko's golden era. Powered by the 6648 caliber with 36j jewels beating at 36,000 bph, it delivers a 70 hours power reserve. [seikata-wm-a0fa32995cad]

Also known as: Navigator

Specifications

Movement
Quartz
Case Material
Two-Tone
Case Width
39mm
Case Thickness
11.0mm
Lug Width
19mm
Crystal
Acrylic
Bezel
Fixed
Water Resistance
190m
Dial Color
Burgundy
Jewels
36j
Frequency
36,000 bph
Power Reserve
70 hours
Year
1972

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