📘 Modern Calendar Watches – Action · Detail of Calibers · Repair
By Bernhard Humbert – A Must-Have Guide for Watchmakers and Collectors
🔧 The Ultimate Guide to Understanding and Repairing Calendar Watches!
The book "Modern Calendar Watches – Action · Detail of Calibers · Repair" by Bernhard Humbert is an essential reference for watchmakers, collectors, and anyone fascinated by the complexities of mechanical timepieces. Originally published in 1954, this 2022 reprint revives a classic, offering in-depth knowledge about calendar mechanisms, their function, and repair techniques.
Based on decades of horological expertise, this book provides a detailed technical breakdown of calendars, date complications, moon phase watches, perpetual calendars, and more. It is an invaluable workshop reference, complete with numerous black-and-white illustrations and original technical drawings that explain the inner workings of these sophisticated mechanisms.
Reading Sample
📖 Book Details
- Title: Modern Calendar Watches – Action · Detail of Calibers · Repair
- Author: Bernhard Humbert
- ISBN: 978-3-910414-28-0 / 9783910414280
- Year of Publication: 2022 (Reprint of the original article from 1954)
- Pages: 136
- Illustrations: Numerous detailed black and white illustrations & drawings
- Format: 17 x 24 cm
- Cover: Hardcover
- Language: English
🔍 Contents & Key Features
📚 A Comprehensive Guide to Calendar Complications
This book demystifies the mechanics of calendar watches by explaining:
✔️ The simple calendar function (date-only displays)
✔️ Watches with moon phase displays and their adjustments
✔️ Perpetual calendar watches and their unique mechanisms
✔️ Retrograde calendar watches and how they operate
✔️ Patents and innovations that have shaped the evolution of calendar complications
🔧 Repair Techniques & Troubleshooting
This is more than just a theoretical book—it is a practical guide for watchmakers:
✔️ Identification of key components in each caliber
✔️ Diagnosis of common issues and step-by-step repair methods
✔️ Disassembly and reassembly techniques for calendar mechanisms
✔️ Adjustment and calibration tips for accuracy and reliability
🕰️ Calibers Covered in This Book
Date-Only Calendar Watches
✔️ Schild 101/2''', 1114
✔️ ETA 101/2''', 900 (on 925 base)
✔️ Fontainemelon 101/2''', 70
✔️ Bueche-Girod
✔️ Unitas 63/4''' - 8''', 551B
✔️ Movado, 128
✔️ Felsa 111/2''', 692
Calendar Watches with Date & Moon Phase
✔️ Venus, 187
✔️ Medana, 404
✔️ Cortebert 83/4''', 657
✔️ Benrus, 2012a
✔️ Movado, 28
Calendar Watches with Date, Day & Moon Phase
✔️ Angelus, 256
✔️ Movado 475
✔️ Universal, 291
✔️ Marvin, 520c & 520C-S
✔️ Schild 111/2''', 1291 / 121/4''', 1315
✔️ Landeron 133/4''', 80, 185, 58, 59
✔️ Valjoux, 72c
✔️ Eterna, 1118
Calendar Watches with Date, Day, Month & Moon Phase
✔️ Arsa 13''', 205
✔️ Felsa 111/2''', 693
✔️ Universal, 481, Tri-Compax
✔️ Jaeger-LeCoultre 11''', rectangular, LCN
✔️ Vacheron & Constantin
✔️ Omega Cosmic
Perpetual Calendar Watches
✔️ Patek Philippe 12''', Perpetual Calendar
✔️ Robert Cart, Perpetual Calendar on 17''' Movement
✔️ Robert Cart, Perpetual Calendar with Three Windows
🎯 Who Should Read This Book?
🔵 Watchmakers & Restoration Experts
- A detailed manual for repairing and maintaining calendar watches
- Clear illustrations that explain the mechanics of each complication
- Essential knowledge for professionals working with vintage timepieces
🔵 Collectors & Horology Enthusiasts
- Gain a deeper understanding of calendar watches and their development
- Learn how to identify, evaluate, and care for historic timepieces
- Understand the complexity of perpetual calendars and moon phase movements
🔵 Engineers & Precision Mechanics Enthusiasts
- Explore the fine mechanics of date and calendar complications
- Analyze patented mechanisms and innovations in calendar watches
- Gain insights into how Swiss watchmaking evolved over decades
📘 A Must-Have Reference for Horology Experts
✔️ A detailed, well-illustrated guide to understanding and repairing calendar watches
✔️ Includes numerous technical drawings and step-by-step instructions
✔️ A high-quality hardcover edition, ideal for workshops and collectors’ libraries
📢 Order now and dive into the intricate world of modern calendar watches!
