CAM-1398-Seiko-Kaliber-6139-Magazin-2-1
23 sep. 2020
 5 minutes
Watches and Technology

The Grandfather of the Modern Chronograph Movement: Seiko 6139

Today, self-winding (or automatic) chronographs are quite common. Omega created a prototype of one back in 1948 but later abandoned their production plans. Over 20 years later, two companies and one collaboration would finally make it to series production: Seiko, Zenith, and a joint venture between Heuer, Breitling, and Hamilton. These manufacturers all introduced and launched their automatic chronograph movements in 1969, and this watch style would quickly become very popular throughout the industry.

By Hirota Masayuki
Keep reading

Latest Articles

CAM-1392-Magazin-2-1
22 sep. 2020
 5 minutes
Watch Guides

The Best Watches Under $2,500

By Jorg Weppelink
CAM-1387-Buyers-Guide-Cartier-Santos-2-1-EN
21 sep. 2020
 6 minutes
Buying Advice

Chrono24 Buyer’s Guide: Cartier Santos

By René Herold
Stylish and Sporty: The Cartier Santos 100
18 sep. 2020
 2 minutes
Watch Models

Chrono24 Brand Week: How Cartier Invented the Wristwatch With the Santos!

By Pascal Gehrlein
RZ_IG_CARTIER ENG-2-1_Magazin 2-1_Magazin 2-1
17 sep. 2020
 4 minutes
Brands

Cartier: Tradition, Creativity, and Grace

By Chrono24

Featured

Rolex GMT Master II Pepsi 126710BLRO, Image: Bert Buijsrogge
Watch Guides
 6 minutes

Are watches really a good investment?

By Jorg Weppelink
Seiko Prospex
Watch Models
 5 minutes

A New Addition to the Prospex Family: The All-New Seiko Prospex LX Series

By Jorg Weppelink
Best Watches under $2,000
Buying Advice
 5 minutes

Best Watches under $2,000

By Tom Mulraney
Rolex GMT Master II Pepsi 126710BLRO, Image: Bert Buijsrogge
Watch Guides
 6 minutes

Are watches really a good investment?

By Jorg Weppelink
Best Watches under $2,000
Buying Advice
 5 minutes

Best Watches under $2,000

By Tom Mulraney

Videos

18 sep. 2020
 10 minutes

3 Best Watches Under $5,000 | (HUGE GIVE-AWAY!) | Chrono24

4 sep. 2020
 13 minutes

ROLEX DAYTONA Alternatives: 3 PERFECT Chronographs | Chrono24

21 aug. 2020
 8 minutes

3 Reasons Why the ROLEX GMT-Master II ROOT BEER Is So Polarizing | Chrono24