Seiko Cal. 6690 - 386

Seiko 6690-386

This Quartz model from 1970 features a 46mm Stainless Steel case. Powered by the 6690 caliber with 21j jewels beating at 36,000 bph, it delivers a 66 hours power reserve. [seikata-wm-6a42e00f80d9]

Specifications

Movement
Quartz
Case Material
Stainless Steel
Case Width
46mm
Case Thickness
12.9mm
Lug Width
20mm
Crystal
Hardlex
Bezel
Rotating
Water Resistance
140m
Dial Color
Burgundy
Jewels
21j
Frequency
36,000 bph
Power Reserve
66 hours
Year
1970

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