PerpCalFeb

Breguet

2017: Breguet Marine Équation Marchante 5887, State of the Art

by Suan Futt Yeo

MB&F

2015 – 21st Century Perpetual Calendar, MB&F’s Legacy Machine Perpetual

by Sumit Nag

Reviews

Ulysse Nardin Perpetual Ludwig and Ulysse Nardin GMT Perpetual

by Ken Kessler

Reviews

2011: Ateliers deMonaco Quantieme Perpetual QP-EZ makes setting the date easy

by Felix Scholz

Harry Winston

1989: Harry Winston Bi-Retrograde Perpetual Calendar, the World’s First QP with Bi-Retrograde Indication

by Sumit Nag

De Bethune

2010: De Bethune DB25QP, the first QP with 3D Moon Phase

by Adam Craniotes

Chopard

2005: The Chopard L.U.C Lunar One, First Modern Perpetual Calendar Wristwatch with Orbital Moonphase

by Darren Ho

Blancpain

2004: The Blancpain Villeret Quantième Perpetual, hidden functionality for a cleaner design

by Felix Scholz

Vintage

1998: Vianney Halter Antiqua, the perpetual calendar that inspired a generation of independent watchmakers

by Felix Scholz

IWC Schaffhausen

1993: IWC Il Destriero Scafusia Joins the Grand Complication Race

by Revolution

Interviews

1961 – The Rarest Patek Perpetual Calendar — The 3449

by Revolution

Audemars Piguet

1955: Audemars Piguet ref. 5516, the First Perpetual Calendar Wristwatch with Leap Year Indication

by Revolution