The Tudor Heritage Black Bay 79220R is the inaugural model of the Black Bay line, introduced at Baselworld 2012 to establish Tudor's independent identity distinct from Rolex.  It features a 41mm stainless steel case, a black dial with gilt accents, and a signature burgundy/red aluminum bezel insert.

• Case Diameter: 41 mm

• Case Thickness: 13 mm

• Lug-to-Lug: 50 mm

• Lug Width: 22 mm

• Water Resistance: 200 meters (20 ATM / 660 feet)

• Crystal: Domed sapphire crystal

• Bezel: Unidirectional rotating diver bezel with a burgundy (red) aluminum insert

• Crown: Screw-down crown featuring the Tudor Rose logo and a distinctive burgundy tube gasket 

The 79220R is powered by the ETA 2824-2 automatic caliber (often modified by Tudor), a workhorse movement known for its reliability before Tudor transitioned to in-house calibers. 

Technical Data (ETA 2824-2)

• Type: Automatic, self-winding mechanical

• Diameter: 25.6 mm (11 ½''')

• Height: 4.6 mm

• Frequency: 28,800 vibrations per hour (4 Hz / 28,800 bph)

• Jewels: 25

• Power Reserve: Approximately 38 hours

• Functions: Central hours, minutes, seconds; Date (though the date function is often removed or covered on the 79220R dial)

• Winding: Bi-directional rotor with ball bearing

• Shock Protection: Incabloc or Novodiac (depending on specific grade/modification)

• Regulator: Etachron system

• Hacking Seconds: Yes

• Hand-Winding: Yes