Oris Aquis Date Calibre 400 Blue 43.5mm vs Tudor Black Bay 41 S&G M79543

In-Depth Comparison

The Oris Aquis Date Calibre 400 Blue 43.5mm and the Tudor Black Bay 41 S&G M79543 represent two compelling options in the luxury watch market. Both timepieces have earned devoted followings among collectors and enthusiasts, but they approach horology from distinctly different perspectives. Let's break down how these two watches compare across the key dimensions that matter most to buyers.

Heritage And Brand Prestige

Oris and Tudor are both highly respected names in watchmaking. Both watches hail from Switzerland, benefiting from the region's deep horological tradition. This particular Aquis reference was introduced in 2022, while this Black Bay reference debuted in 2020. The Oris Aquis Date Calibre 400 Blue 43.5mm is the newer release, potentially featuring more modern technology and finishing.

Movement And Mechanics

At the heart of the Oris Aquis Date Calibre 400 Blue 43.5mm beats the Oris 400 caliber offering a 120-hour power reserve running at 28,800 vph with 30 jewels. The Tudor Black Bay 41 S&G M79543 is powered by the Tudor MT5601 with a 70-hour power reserve operating at 28,800 vph featuring 26 jewels. The Oris Aquis Date Calibre 400 Blue 43.5mm wins on power reserve with a 50-hour advantage, which means less frequent winding for those who rotate watches.

Dimensions And Wearability

The Oris Aquis Date Calibre 400 Blue 43.5mm features a 43.5mm case at 14.0mm thick with a 50.0mm lug-to-lug measurement, crafted in Stainless Steel. The Tudor Black Bay 41 S&G M79543 comes in at 41.0mm and 12.7mm thick with 49.0mm lug-to-lug, constructed from Stainless Steel and 18K Yellow Gold. The Tudor Black Bay 41 S&G M79543 wears more compactly on the wrist, making it potentially more suitable for smaller wrists or those who prefer understated proportions. At 165g, the Tudor Black Bay 41 S&G M79543 is the lighter of the two.

Materials And Construction

The Oris Aquis Date Calibre 400 Blue 43.5mm uses a Sapphire crystal paired with a Rotating Ceramic bezel, while the Tudor Black Bay 41 S&G M79543 features Sapphire crystal with a Unidirectional rotating bezel. On the wrist, the Oris Aquis Date Calibre 400 Blue 43.5mm comes on a Stainless Steel bracelet with Fold-over, while the Tudor Black Bay 41 S&G M79543 is fitted with Stainless steel and gold bracelet featuring Fold-over clasp with safety catch.

Water Resistance And Capability

The Oris Aquis Date Calibre 400 Blue 43.5mm is rated to 300m / 984ft and the Tudor Black Bay 41 S&G M79543 to 200m / 656ft. For serious diving or water activities, the Oris Aquis Date Calibre 400 Blue 43.5mm offers a meaningful advantage.

Pricing And Value

At retail, the Oris Aquis Date Calibre 400 Blue 43.5mm lists for $3,200 compared to $4,575 for the Tudor Black Bay 41 S&G M79543. The Oris Aquis Date Calibre 400 Blue 43.5mm is the more accessible option at MSRP, saving $1,375 at retail. On the secondary market, the Oris Aquis Date Calibre 400 Blue 43.5mm trades around $2,700 while the Tudor Black Bay 41 S&G M79543 commands approximately $4,000.

The Verdict

Choosing between the Oris Aquis Date Calibre 400 Blue 43.5mm and the Tudor Black Bay 41 S&G M79543 ultimately comes down to personal priorities. For diving and water sports, the Oris Aquis Date Calibre 400 Blue 43.5mm is the stronger choice. Both watches are exceptional timepieces that will serve their owner well for generations. We recommend trying both on the wrist at an authorized dealer before making your final decision, as comfort and emotional connection are ultimately just as important as specifications.