Tudor Black Bay Chrono vs Tudor Black Bay 58, Navy

Side-by-side at a glance. Click a watch above to open the full reference page.

	Tudor M79360N	Tudor 79030N
Model	Black Bay Chrono	Black Bay 58, Navy
Caliber	Tudor MT5813 -- Breitling B01 base, Tudor-modified, 28,800bph, 70h PR, 25j; column-wheel, vertical clutch; used in Black Bay Chrono	Tudor MT5402 -- in-house automatic, 28,800bph, 70h PR, 26j; METAS-certified, bidirectional winding, free-sprung hairspring
Case size	41mm	39mm
Lug-to-lug	49mm	44.6mm
Years produced	2017–present	2018–present
Brand tier	luxury	luxury
Era	modern	modern
Movement tier	Unclassified movement	Unclassified movement
Market median (excellent / full-set)	n/a	n/a
Typical range	n/a	n/a
Confidence	low	low
Categories	chronograph, dive, sport	dive, sport
Editorial	yes	yes
Typical price (2026)	n/a	$2,800 – $3,800
Service	n/a	Every 8 years · $600 – $900
Collector note	n/a	best value: At 39mm with an in-house movement and METAS certification, this is widely cited as the strongest value proposition in the sub-$4,000 dive watch market.