TAG Heuer Caliber TH31-00

Brand	TAG Heuer
Caliber Number	TH31-00
In-House?	No
Manufacturer	Sellita Manufacture AMT
Movement Type	Automatic, self-winding mechanical
COSC?	Yes
Diameter	Unconfirmed
Height	Unconfirmed
Jewel Count	30
Beat Rate / Frequency	28,800 vph / 4 Hz
Lift Angle	Unconfirmed
Power Reserve	80 hours
Rotor Style	Ball-bearing, 3 screws
Rotor Winding Direction	Bi-directional
Hand-Windable?	Yes
Anti-Shock Device	Incabloc
Regulator	Etachron with fine timing device
Hand Count	3
Functions	Central hours; central minutes; central sweeping seconds; date at 6:00
Hacking Seconds?	Yes
Finishing	Bridges finished in damaskeening (stripes), cutout TAG Heuer shield logo rotor
Country of Manufacture	Switzerland, Swiss made (La Chaux-de-Fonds)
Known Models	TAG Heuer Aquaracer Professional 300 Date (Ref: WBP5116.BA0013, WBP5111.FT6259, WBP5111.BA0013, WBP5110.FT6257, WBP5110.BA0013), TAG Heuer Aquaracer Professional 300 Date (Ref: WBP5152.FT6210, WBP5150.FT6199)(Add your watch to the comments below…)

TAG Heuer caliber TH31-00 is a 3-hander automatic watch movement with a date. This movement has thirty jewels with a frequency of 4 Hz (28,800 beats per hour).

The cal. TH31-00 is found in the yellow and rose gold Aquaracer Professional 200 Date series introduced Watches and Wonders in March 2023. It is also found in the new Aquaracer Professional 300 Date models released in June 2024.

In TAG’s own words:

“A PIONEERING MOVEMENT / THE NEW TH31-00 CALIBRE / The new TH31-00 Calibre is a testament to the Maison’s commitment to innovation and precision. Exclusively featured in the TAG Heuer Aquaracer Professional 300 42mm model, this COSC-certified manufacture movement offers superior accuracy and reliability with a power reserve of 80 hours, making it the perfect companion for professional divers and watch enthusiasts alike. The warranty can be extended up to 5 years for this movement.” –Source