Seiko Cal. 6690 - 718

Seiko 6690-718

The 6690-718 is a sought-after Solar piece from Seiko's golden era. Powered by the 6690 caliber with 28j jewels beating at 36,000 bph, it delivers a 54 hours power reserve. [seikata-wm-b812df9cbb3e]

Also known as: Samurai, Shogun

Specifications

Movement
Solar
Case Material
Hardlex-Coated Steel
Case Width
43mm
Case Thickness
8.1mm
Lug Width
21mm
Crystal
Acrylic
Bezel
Bidirectional
Water Resistance
190m
Dial Color
White
Jewels
28j
Frequency
36,000 bph
Power Reserve
54 hours
Year
1985

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