Seiko Cal. 6687 - 730

Seiko 6687-730

The 6687-730 is a sought-after Quartz piece from Seiko's golden era. The Inner Rotating bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-a9ed189ccedc]

Also known as: Monster

Specifications

Movement
Quartz
Case Material
Gold-Plated
Case Width
43mm
Case Thickness
10.5mm
Lug Width
22mm
Crystal
Sapphire
Bezel
Inner Rotating
Water Resistance
110m
Dial Color
Blue Sunburst
Jewels
23j
Frequency
36,000 bph
Power Reserve
46 hours
Year
1972

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