Tudor Heritage Black Bay Dark 41mm Black PVD COSC Automatic Mens Dive Watch
Tudor Heritage Black Bay Dark reference M79230DK is a COSC chronometer-certified automatic dive watch in an all-black PVD stainless steel 41mm case and bracelet, powered by the in-house Tudor Caliber MT5602 with a 70-hour power reserve. Bracelet length 7.75 inches, adjustable.
Product Specifications:
- Item Type: Men's Automatic Dive Watch
- Brand: Tudor
- Model: Heritage Black Bay Dark
- Reference: M79230DK
- Case Size: 41mm
- Lug Width: 22mm
- Case Material: Brushed black PVD stainless steel
- Case Back: Solid
- Crown: Screw-down
Dial:
- Color: Black
- Indices: Luminescent dot and index hour markers
- Markers: Second and minute track
- Hands: Luminescent
Bezel Type: Unidirectional rotating
Bezel Color: Black PVD stainless steel with matte black aluminum disc
Bezel Feature: Red triangle marker at 12 o'clock
Crystal: Domed scratch-resistant sapphire crystal
Band Material: Brushed black PVD stainless steel
Band Color: Black
Band Length: 7.75 inches (adjustable)
Clasp: Folding deployment buckle with safety clasp
Movement: Self-winding automatic, Tudor Caliber MT5602
Certification: COSC Chronometer Officially Certified
Power Reserve: 70 hours
Frequency: 28,800 vibrations per hour
Jewels: 26
Features:
- COSC Chronometer Certified
- 200 meters water resistance
- Luminescent hands and hour markers
- Screw-down crown
- 70-hour power reserve
- Swiss Made
Style: Dive Watch / Sports Watch
About The Tudor Black Bay Dark
Tudor launched the Black Bay Dark as a stealth-edition interpretation of their iconic Black Bay dive watch, presenting the entire watch — case, bracelet, bezel, and dial — in a unified all-black PVD treatment that gives the piece a distinctly tactical, military-inspired character. The Heritage Black Bay line draws direct design inspiration from Tudor's historic dive watches of the 1950s and 1960s, incorporating the signature "snowflake" hands, domed sapphire crystal, and oversized winding crown that defined Tudor's professional diving watches for the Royal Canadian Navy and other military clients. The MT5602 movement represents Tudor's entry into fully in-house manufacture, with COSC chronometer certification guaranteeing accuracy to -4/+6 seconds per day — a standard that exceeds most competitors in this price category. For collectors and enthusiasts, the Black Bay Dark represents one of the finest value propositions in the Swiss luxury sports watch segment, combining genuine in-house manufacture, COSC certification, and 200m water resistance in an instantly recognizable, historically grounded design.
$3,997.50
Tudor Heritage Black Bay Dark 41mm Black PVD COSC Automatic Mens Dive Watch—
$3,997.50
Description
Tudor Heritage Black Bay Dark reference M79230DK is a COSC chronometer-certified automatic dive watch in an all-black PVD stainless steel 41mm case and bracelet, powered by the in-house Tudor Caliber MT5602 with a 70-hour power reserve. Bracelet length 7.75 inches, adjustable.
Product Specifications:
- Item Type: Men's Automatic Dive Watch
- Brand: Tudor
- Model: Heritage Black Bay Dark
- Reference: M79230DK
- Case Size: 41mm
- Lug Width: 22mm
- Case Material: Brushed black PVD stainless steel
- Case Back: Solid
- Crown: Screw-down
Dial:
- Color: Black
- Indices: Luminescent dot and index hour markers
- Markers: Second and minute track
- Hands: Luminescent
Bezel Type: Unidirectional rotating
Bezel Color: Black PVD stainless steel with matte black aluminum disc
Bezel Feature: Red triangle marker at 12 o'clock
Crystal: Domed scratch-resistant sapphire crystal
Band Material: Brushed black PVD stainless steel
Band Color: Black
Band Length: 7.75 inches (adjustable)
Clasp: Folding deployment buckle with safety clasp
Movement: Self-winding automatic, Tudor Caliber MT5602
Certification: COSC Chronometer Officially Certified
Power Reserve: 70 hours
Frequency: 28,800 vibrations per hour
Jewels: 26
Features:
- COSC Chronometer Certified
- 200 meters water resistance
- Luminescent hands and hour markers
- Screw-down crown
- 70-hour power reserve
- Swiss Made
Style: Dive Watch / Sports Watch
About The Tudor Black Bay Dark
Tudor launched the Black Bay Dark as a stealth-edition interpretation of their iconic Black Bay dive watch, presenting the entire watch — case, bracelet, bezel, and dial — in a unified all-black PVD treatment that gives the piece a distinctly tactical, military-inspired character. The Heritage Black Bay line draws direct design inspiration from Tudor's historic dive watches of the 1950s and 1960s, incorporating the signature "snowflake" hands, domed sapphire crystal, and oversized winding crown that defined Tudor's professional diving watches for the Royal Canadian Navy and other military clients. The MT5602 movement represents Tudor's entry into fully in-house manufacture, with COSC chronometer certification guaranteeing accuracy to -4/+6 seconds per day — a standard that exceeds most competitors in this price category. For collectors and enthusiasts, the Black Bay Dark represents one of the finest value propositions in the Swiss luxury sports watch segment, combining genuine in-house manufacture, COSC certification, and 200m water resistance in an instantly recognizable, historically grounded design.
