Seiko Cal. 6690 - 664

Seiko 6690-664

This Solar model from 1968 features a 46mm Gold-Plated case. Powered by the 6690 caliber with 23j jewels beating at 36,000 bph, it delivers a 48 hours power reserve. [seikata-wm-8757c9989ba2]

Also known as: Samurai, World Timer

Specifications

Movement
Solar
Case Material
Gold-Plated
Case Width
46mm
Case Thickness
13.3mm
Lug Width
19mm
Crystal
Acrylic
Bezel
Fixed
Water Resistance
140m
Dial Color
Cream
Jewels
23j
Frequency
36,000 bph
Power Reserve
48 hours
Year
1968

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