Manufacture Calibre MT5400 (COSC)

• Self-winding mechanical, bidirectional rotor

• Diameter: 30.3mm × 5mm thickness

• 27 jewels

• Frequency: 28,800 vph (4 Hz)

• Power reserve: ~70 hours

• Non-magnetic silicon balance spring

• Variable inertia balance with micro-adjustment screw

• Stop-seconds for precise time setting

• COSC certified, regulated to −2/+4 s/day (tighter than COSC standard)

• Functions: hours, minutes, seconds (no date)

• 39mm diameter × 11.8mm thickness

• 47mm lug-to-lug, 21mm lug width

• Grade 2 titanium, satin finish

• Solid titanium caseback

• Screw-down crown with TUDOR shield in relief

• Sapphire crystal (flat)

• Water resistance: 200m (660 ft)

• Weight: ~89g case only, ~141g with bracelet