Breguet Marine Big Date SS / Rubber


Breguet 5817ST/12/5V8 Marine Big Date, 5817ST/12/5V8, 5817ST125V8, stainless steel on a rubber strap with a stainless steel deployant buckle, automatic movement, big date, centered sweep seconds hand, silver guilloche dial with applied steel blue Roman numerals, luminous hands and hour indicators, screw down crown, display back, water resistant to 100 meters, diameter: 40mm, thickness: 12mm. Like new with Breguet box and papers not dated.

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More about Marine Big Date SS / Rubber

This is a stainless steel Breguet Marine Big Date 5817ST/12/5V8. It has a composite rubber strap with a stainless steel deployment buckle, and a scratch resistant sapphire crystal. It has a protected screw down winding crown, and an exhibition sapphire display case back secured with 6 screws, engraved with "BREGUET – 4556 AV – HORLOGER DE LA MARINE – REF. 5817." The 40mm diameter solid two-body case with reeded band, downturned screwed bars with lapidated lugs, and stepped rounded bezel, are polished. The dial has a silver sun-swirl guilloche, with applied blued steel Roman numeral hour markers around a brushed silver reserve. There is a blue perimeter dot minute/second scale with luminous pip hour indices. The blued Breguet hands have circular luminous inserts, and there is a center sweep seconds hand with a counter balance ring. The double steel-rimmed big date aperture window is at 6 o'clock, and it's water resistant to 100 meters/330 feet. It has a 65-hour power reserve at full wind, and the 12mm thick case, dial, and movement are all signed. This Breguet Marine Big Date 5817ST/Y2/5V8 has a mechanical automatic self-winding Breguet caliber 51766 movement. It's rhodium-plated, with fausses cotes embellishment, and it's constructed with 35 jewels, 285 components, and a shock absorber device. It includes a monometallic balance that's adjusted to 5 positions, a self-compensating flat Silicon balance spring, and a micrometer regulator. It has a 21k gold rotor decorated with an engine-turned sunray pattern, and the mechanism oscillates at a frequency of 28,800 vph (4 Hz). The Breguet Marine Big Date 5817ST/Y2/5V8 was introduced in 2000, and it was manufactured until 2012.

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