The Titanium Field Guide

Bremont Altitude Perpetual Calendar GMT

ALT42-PER-TI-BL-B

The Bremont Altitude Perpetual Calendar GMT is a current-production pilot watch with a Grade 2 titanium case, finished with satin and polished. It measures 42.0 mm across, 12.65 mm thick, 49.62 mm lug to lug, and is water resistant to 100 m. Inside is the Bremont BHC9192-MH manual movement, with 50 h power reserve. Complications: Perpetual calendar, GMT, Date. Priced from $38,450 (Limited to 50 pieces). Brand origin: United Kingdom.

Titanium pilot watchesGMT
No reader photos yet · add the first
ReferenceALT42-PER-TI-BL-B
TypePilot
Price$38,450 · Limited to 50 pieces
Case diameter42.0 mm
Thickness12.65 mm
Lug-to-lug49.62 mm
Water resistance100 m
Weight–
OriginUnited Kingdom
MovementManual
CaliberBremont BHC9192-MH
Power reserve50 h
ComplicationsPerpetual calendar, GMT, Date
TitaniumGrade 2
Surface treatmentSatin and polished
Nickel-freeYes
Bracelet / strapTitanium bracelet or leather
CrystalSapphire (Glass Box)
Display back–
DialBlue (brushed galvanic)
LumeSuper-LumiNova
AvailabilityOffered
StatusCurrent (limited to 50)
High confidence Verified 2026-06-21 Source: Bremont (maker) Maker / listing ↗
Reader reviews & photosContribute photo or review
No reviews yet. Be the first to write one.
See it in the interactive guideContribute a photo or review

Similar titanium watches

RZEFortitude$59941.0 mm12.45 mm thickPilot
  • Same category: +30
  • Diameter within 2mm: +15
  • Thickness within 1.5mm: +15
  • Same strap type: +10
  • Same grade/treatment: +10
  • Total: 80
CitizenPromaster Skyhawk A-T Super Titanium (JY8108)$79546.0 mm13.8 mm thickPilot
  • Same category: +30
  • Same style: +20
  • Thickness within 1.5mm: +15
  • Same strap type: +10
  • Total: 75
MicromilspecPilot Worldtimer$3,85042.0 mm15 mm thickPilot
  • Same category: +30
  • Same style: +20
  • Diameter within 2mm: +15
  • Same strap type: +10
  • Total: 75
MicromilspecMilgraph$3,85042.0 mm15 mm thick100 gPilot
  • Same category: +30
  • Same style: +20
  • Diameter within 2mm: +15
  • Same strap type: +10
  • Total: 75
FortisFlieger F-43 Triple-GMT Titanium$5,83643.0 mm15.5 mm thick88 gPilot
  • Same category: +30
  • Same style: +20
  • Diameter within 2mm: +15
  • Same grade/treatment: +10
  • Total: 75
RZEAscentus GMT$42940.0 mm13 mm thickOther
  • Same style: +20
  • Diameter within 2mm: +15
  • Thickness within 1.5mm: +15
  • Same strap type: +10
  • Same grade/treatment: +10
  • Total: 70
Jack MasonStrat-O-Timer Titanium Diver GMT$1,39940.0 mm13.2 mm thick118 gDiver
  • Same style: +20
  • Diameter within 2mm: +15
  • Thickness within 1.5mm: +15
  • Same strap type: +10
  • Same grade/treatment: +10
  • Total: 70
Hanhart417 Ti Desert Pilot$3,25042.0 mm13.6 mm thickPilot
  • Same category: +30
  • Diameter within 2mm: +15
  • Thickness within 1.5mm: +15
  • Same movement type: +10
  • Total: 70

Alternatives to the Bremont Altitude Perpetual Calendar GMT

OmegaSpeedmaster X-33 Marstimer (Titanium)$6,40045.0 mm14.7 mm thickPilot
  • Same category: +40
  • Same style: +25
  • Shared complications: +24
  • Diameter within 3mm: +8
  • Total: 97
LonginesSpirit Zulu Time Titanium 39mm$3,50039.0 mmPilot
  • Same category: +40
  • Same style: +25
  • Shared complications: +16
  • Diameter within 3mm: +8
  • Total: 89
IWCPilot's Watch Timezoner Top Gun Ceratanium (IW395505)–46.0 mm15.1 mm thickPilot
  • Same category: +40
  • Same style: +25
  • Shared complications: +8
  • Total: 73
CitizenPromaster Navihawk GPS (Super Titanium)$2,09547.0 mmPilot
  • Same category: +40
  • Same style: +25
  • Total: 65
Mauron MusyGMT Sport$20,90044.0 mm14.6 mm thickOther
  • Same style: +25
  • Shared complications: +16
  • Price within 50%: +12
  • Diameter within 3mm: +8
  • Total: 61
SeikoAstron GPS Solar (SSH157)$2,50043.3 mm13.4 mm thick117 gOther
  • Same style: +25
  • Shared complications: +24
  • Diameter within 3mm: +8
  • Total: 57

More titanium watches from Bremont

BremontAltitude (Titanium)$5,30042.0 mm12.23 mm thickPilot
BremontAltitude MB Meteor Time Zones$5,85042.0 mm12.23 mm thick53.4 gPilot

All titanium Bremont watches · Titanium pilot watches · All 242 watches

Learn: Titanium grades · Surface treatments · Why titanium scratches · How to read a spec

Image & Trademark Policy · Terms & Conditions