The fixed-bar-lug Pelagos developed with the Marine Nationale French combat-swimmer unit. 42mm titanium, no helium-escape valve, no quick-release bracelet (fixed strap-bars). Trades on tool-watch credibility, not versatility.
luxurymodernTudor MT5602 -- in-house automatic GMT, 28,800bph, 70h PR, 26j; METAS-certified, bidirectional winding; used in Black Bay GMT and Pelagos FXD42mm2021–presenteditorial