Chronoswiss CH 7521 Opus Rose Gold / Rose Gold Buckle (28128)

28128 Chronoswiss 7521 Opus Chronograph, CH 7521 R, 18K Rose Gold case on a strap with an 18K Rose Gold buckle, Automatic movement, date, chronograph, sub seconds, display back, diameter: 38 mm, thickness: 14mm, sapphire crystal, water resistant to 3 atm, Like New with original box and papers that are undated.


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More about Chronoswiss CH 7521 Opus Rose Gold / Rose Gold Buckle

This is an 18K rose gold Chronoswiss Opus Chronograph CH 7521. It has an alligator leather strap with an 18K rose gold tang buckle, and a scratch resistant sapphire crystal. It has an exhibition screwed down sapphire display case back, and round chronograph pushbuttons. The 38mm diameter solid three-body case, downturned lugs, gold screwed bars, cupped coin edged bezel and case back are polished. The dial is completely skeletonized with blued steel Breguet hands, a center chronograph hand, and an outer 1/5 seconds scale. There is a subsidiary ring dial for the days of the month at the 3 o'clock position, a 12-hour register at 6 o'clock, and a 30-minute sub dial at 12 o'clock. There is a constant small seconds ring at 9. It's water resistant to 30 meters/100 feet, and the 14mm thick case, dial, and movement are all signed.

This Chronoswiss Opus Chronograph CH 7521 has a mechanical automatic self-winding Chronoswiss caliber 741S movement that's gilt and skeletonized with oeil-de-perdrix embellishment. It's constructed with 23 jewels, and a shock absorber mechanism. It has a straight-line lever escapement, a monometallic balance that's adjusted for temperature and 5 positions, and a self-compensating flat balance spring. It includes a micrometer regulator, a gold rotor, and a precision adjustment for the regulator pin.