The Tudor Black Bay GMT is a highly regarded luxury sports watch known for its vintage-inspired design and practical dual-time functionality. Here's a breakdown of its key features and details:

🕰️ Overview

• Brand: Tudor (Rolex's sister brand)

• Model: Black Bay GMT

• Reference: 79830RB

• Movement: Tudor Caliber MT5652 (in-house)

• Release Year: 2018 (Baselworld debut)

🌍 Key Features

• GMT Function: Allows tracking of three time zones (two via hands, one via rotating bezel)

• Bezel: Bidirectional, 48-click, 24-hour graduated aluminum bezel insert in "Pepsi" colors (red and blue)

• Dial: Matte black with snowflake hands and large lume-filled hour markers

• Case Size: 41mm diameter, 14.6mm thickness

• Water Resistance: 200 meters (660 feet)

• Power Reserve: ~70 hours

• Crystal: Domed sapphire

• Bracelet Options:

  • Riveted steel bracelet (vintage-style)

  • Leather strap with folding clasp

  • Fabric NATO-style strap

⚙️ Movement Details

• Tudor Caliber MT5652

  • COSC-certified chronometer

  • Automatic with date and GMT function

  • 28,800 vph

  • Integrated GMT mechanism (not a modular add-on)