Seiko Cal. 6669 - 731

Seiko 6669-731

The Seiko 6669-731 represents an important milestone in Seiko's 1973 lineup. Powered by the 6669 caliber with 23j jewels beating at 36,000 bph, it delivers a 51 hours power reserve. [seikata-wm-45790937dfbc]

Also known as: Sumo, Arnie

Specifications

Movement
Quartz
Case Material
Two-Tone
Case Width
37mm
Case Thickness
13.7mm
Lug Width
21mm
Crystal
Hardlex
Bezel
Rotating
Water Resistance
50m
Dial Color
Cream
Jewels
23j
Frequency
36,000 bph
Power Reserve
51 hours
Year
1973

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