
Tudor
Tudor's in-house automatic caliber with COSC chronometer certification and a 70-hour power reserve, produced at the Kenissi manufacture co-owned by Tudor's parent company. Features a silicon balance spring for antimagnetic properties and a traversing balance bridge for enhanced shock resistance. The MT5400 powers the Black Bay Fifty-Eight and represents Tudor's commitment to in-house movement production.
AI-detected from the product image
6 colorways
The living market
Listed on r/Watchexchange and WatchUSeek, plus shop stock. Not appraisals or offers.
21 for sale right now, and 6 closed in the last 30 days.
Tudor on the secondhand market
Somewhere in +8.5% to +16.6%
39 matched watches
Divers as a group: +7.3% · 295 matched watches
Year-by-year readings →The connection engine
The community take
The Tudor Bay 58 is an automatic diver watch, with a 39mm steel case, 11.7mm thick, powered by the Tudor MT5400 movement. Water resistance is rated to 200m, under a sapphire crystal. and the secondary market averages around $4,053.
On real wrists · 1
The paper trail
The discussion