The ALT1-B (GMT) Chronograph hails directly from the military. The design closely mirrors the watch Bremont delivered to elite B2 ‘Stealth Bomber’ Aircrew in 2012. Based on the ALT1-Z, it incorporates advanced elements of the Bremont chronograph range, including a modified BE-54E movement, Trip-Tick® case, Roto-Click® internal bezel, and black DLC case.
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Modified calibre 13 1/4''' BE-54AE automatic chronometer, 25 jewels, Glucydur balance, Anachron balance spring, Nivaflex 1 mainspring, 28,800bph, 42 hour power reserve, Bremont moulded and skeletonised decorated DLC coated rotor.
Hour and Minute, Second counter at 9H, date at 3H Chronograph with Seconds, 30 minutes and 12 hours 24H UTC hand.
Hardened stainless steel DLC coated made with Trip-Tick® construction. Case diameter 43mm, case thickness 16mm, lug width 22mm.
Hardened stainless steel DLC coated with integrated flat crystal, 5 stainless steel screws with polished heads. Bremont moulded and skeletonised decorated DLC coated rotor.
Patented inner bi-directional Roto-Click® bezel. Operated by crown at 8H.
Black metal dial with Super-LumiNova® coated hands.
Domed anti-reflective, scratch resistant sapphire crystal.
Water resistant to 10 ATM, 100 metres.
C.O.S.C chronometer tested. Certificate available upon registration.
The watch comes on a calf-skin leather strap. A metal DLC coated bracelet is also available for an additional cost.
Every watch case and movement is engraved with its Bremont serial number and is accompanied by its C.O.S.C certification.