Seiko Cal. 5687 - 712

Seiko 5687-712

The 5687-712 is a sought-after Quartz piece from Seiko's golden era. With its 22mm lug width and 13.7mm profile, it sits comfortably on most wrists. [seikata-wm-8dcafd55bfef]

Also known as: Monster

Specifications

Movement
Quartz
Case Material
Hardlex-Coated Steel
Case Width
40mm
Case Thickness
13.7mm
Lug Width
22mm
Crystal
Hardlex
Bezel
Rotating
Water Resistance
40m
Dial Color
Blue Sunburst
Jewels
20j
Frequency
28,800 bph
Power Reserve
68 hours
Year
1967

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