The Tudor Prince Date Hydronaut 89190 is one of those under-the-radar early 2000s Tudors that quietly delivers a ton of value and character. Designed as part of the original Hydronaut line introduced in the late ‘90s, it features a 40mm stainless steel case, a unidirectional rotating bezel, and a clean, functional dial layout with strong lume—leaning heavily into its role as a practical dive watch. With 200 meters of water resistance and a sapphire crystal, it was built to handle real use, not just look the part.

Under the hood, it runs on the reliable ETA 2824-2 automatic movement, giving it proven durability and easy serviceability—very much in line with Tudor’s tool-watch philosophy of the era. What makes the 89190 interesting today is its position in Tudor’s timeline: it sits between vintage Submariner-era Tudor and the modern Black Bay boom. You’ll see variations with different dial colors (blue, black, even more experimental options), steel or rubber straps, and occasionally the “Tiger” branding tied to Tudor’s motorsport partnerships.

This is not a hype Tudor—it’s a pre-Black Bay, no-nonsense diver that flies under the radar. For collectors, that’s exactly the appeal: classic proportions, real tool-watch DNA, and a piece of Tudor history before the brand became what it is today.

Information:

Reference: 89190

Circa: 2000's

Bracelet: Stainless Steel bracelet

Case: 40mm x 10.8mm thickness - Stainless Steel

Lug Width: 20mm

Movement: ETA 2824-2 - Automatic

Functions: Hours, Minutes, seconds, date

Box and Papers: Inner/outer, serialized hangtag - no warranty card

Crystal: Sapphire

Bracelet size: 7.5”

Condition:

Case has little to no wear. Bracelet has little to no wear. Dial, hands, and crystal have no wear. Runs within spec.

About Tudor:

Tudor was established in 1926 by Hans Wilsdorf, the founder of Rolex, with a vision to create watches that offered the same reliability and precision as Rolex, but at a more accessible price point. Built with robust Swiss movements and housed in Rolex-quality cases, Tudor quickly earned a reputation for producing tool watches trusted by military units and professional divers around the world. In the 1950s and ‘60s, Tudor introduced iconic models like the Oyster Prince Submariner, worn by the French Navy, and carved out a legacy as a maker of rugged, no-nonsense timepieces built to perform under extreme conditions.

In recent years, Tudor has reemerged as one of the most exciting names in modern watchmaking. Collections like the Black Bay, Pelagos, and Ranger pay homage to the brand’s vintage roots while incorporating in-house calibers and contemporary design updates. The Black Bay Fifty-Eight, in particular, has become a collector favorite for its perfect blend of vintage proportions and modern engineering. With a design language all its own and a renewed focus on manufacturing independence, Tudor has established itself as far more than Rolex’s younger sibling—it’s a brand that balances heritage, innovation, and value with serious horological credibility.