Seiko Cal. 6690 - 143

Seiko 6690-143

The 6690-143 is a sought-after Solar piece from Seiko's golden era. The Inner Rotating bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-ac17736513ce]

Specifications

Movement
Solar
Case Material
Two-Tone
Case Width
35mm
Case Thickness
15.5mm
Lug Width
20mm
Crystal
Sapphire
Bezel
Inner Rotating
Water Resistance
30m
Dial Color
Navy
Jewels
22j
Frequency
28,800 bph
Power Reserve
43 hours
Year
1966

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seikata-wm-ac17736513ce