Up Close with the Roger Dubuis Excalibur Quatuor, Regulated by Four Balance Wheels (Original Photos & Price)In pursuit of chronometric excellency, Roger Dubuis unveiled the Excalibur Quatuor at SIHH 2013. Featuring four inclined balance wheels, linked by five differentials, the Quatuor was conceived by Gregory Bruttin, who leads movement development at Roger Dubuis.
Hands-on with the Piaget Emperador Coussin Minute Repeater – the world’s thinnest minute repeater (with live photos and price)Piaget's flagship of its SIHH 2013 collection is the Emperador Coussin Minute Repeater, the brand's first in-house minute repeater. It also has the distinction of being the thinnest self-winding repeater on the market, standing just 9.4 mm high.
Officially the Greubel Forsey Double Balancier 35° is the first GF watch without a tourbillon, though the brand did quietly create an edition of six double, superimposed balance wheel watches for London retailer Marcus last year. Though similar in principle to the Marcus watch, the Double Balancier 35° uses a different movement.
The lightest watch in the world
Hands-on with the Lange 1815 Rattrapante Perpetual Calendar, and explaining its movement construction (live photos and pricing)Unveiled at SIHH 2013, the Lange 1815 Rattrapante Perpetual Calendar is the first wristwatch from Lange combining the split-seconds and perpetual calendar complications.