Specifications
- Reference
- alt42-mt-ti-bkbk-b
- Family
- Altitude
- Category
- Tool
- Status
- Current
- Case material
- Titanium
- Case diameter
- 42 mm
- Case thickness
- 12.23 mm Official
- Lug-to-lug
- 49.3 mm Official
- Lug width
- 22 mm Official
- Water resistance
- 100 m
- Bezel
- —
- Calibre
- BB14AH Official
- Power reserve
- 68 h
- Frequency
- 28 vph (0 Hz)
Official product page · retrieved October 20, 2026
Does it fit your wrist?
Enter your wrist circumference. The watch appears to scale on the flat top of the wrist.
Comfortable
Lug-to-lug 49.3 mm on a flat top of 54.1 mm: 91 % of the width.
Lug-to-lug is 75 to 95% of the flat top, the usual comfortable range.
Measurements and sources
Brands rarely publish thickness, lug width and lug-to-lug together. Each observation below is kept separate, with who gave it.
Case thickness
| Value | Type | Source | Date |
|---|---|---|---|
| 12.23 mm | Official | Bremont Published as the case depth. | October 20, 2026 |
Lug-to-lug
| Value | Type | Source | Date |
|---|---|---|---|
| 49.3 mm | Official | Bremont Published as the case length. | October 20, 2026 |
Lug width
Lug width is the gap between the lugs, where the strap fits. It is not lug-to-lug.
| Value | Type | Source | Date |
|---|---|---|---|
| 22 mm | Official | Bremont | October 20, 2026 |
Calibre source
Official Bremont · retrieved October 20, 2026
Other versions in the same case
These references differ only by dial, bracelet or bezel colour. The brand gives them the same case dimensions, so the figures on this page apply to them too.
- alt42-mt-ti-bkbk-l-s · black dial, dual-material black rubber outer & leather lined strap
- alt42-mt-ti-bkbk-n-s · black dial, black and anthracite nato strap
- alt42-mt-ti-siti-b · silver dial, titanium bracelet
- alt42-mt-ti-siti-l-s · silver dial, dual-material black rubber outer & leather lined strap
- alt42-mt-ti-siti-n-s · silver dial, black and anthracite nato strap
- alt42-mt-dlc-felix-b · Limited Edition 'Felix The Cat', dlc coated titanium bracelet
- alt42-mt-dlc-felix-l-s · Limited Edition 'Felix The Cat', black rubber & leather embossed strap
- alt42-mt-grti-gr-b · Limited Edition Stealth Grey, titanium bracelet finished in matt grey
- alt42-mt-ti-bkor-b · Orange Orange Barrel, black dial, titanium bracelet
- alt42-mt-ti-bkor-l-s · Orange Orange Barrel, black dial, dual-material black rubber outer & leather lined strap
- alt42-mt-ti-bkor-n-s · Orange Orange Barrel, black dial, black and anthracite nato strap
- alt42-mt-ti-sior-b · Orange Orange Barrel, silver dial, titanium bracelet
- alt42-mt-ti-sior-l-s · Orange Orange Barrel, silver dial, dual-material black rubber outer & leather lined strap
- alt42-mt-ti-sior-n-s · Orange Barrel, silver dial, black and anthracite nato strap
- altitude-mb-meteor-blue-dial-blue-barrel-bracelet · Blue Barrel, blue dial, titanium bracelet
- altitude-mb-meteor-blue-dial-blue-barrel-leather-strap · Blue Barrel, blue dial, blue rubber & leather strap
- altitude-mb-meteor-blue-dial-blue-barrel-nato-strap · Blue Barrel, blue dial, black and blue nato strap
Other Altitude references
| Watch | Ø | Thickness | Lug-to-lug | Calibre |
|---|---|---|---|---|
| Altitude 39 mm altitude-39mm-blue-dial-bracelet | 39 mm | 11.19 mm | 47.17 mm | BB14AH |
| Altitude MB Meteor Time Zones 42 mm altitude-mb-meteor-time-zones-air-force-blue-dial-bracelet | 42 mm | 12.23 mm | 49.3 mm | BB641AH |
| Altitude Perpetual Calendar GMT 42 mm alt42-per-ti-bl-b | 42 mm | 12.65 mm | 49.62 mm | BHC9192MH |
| Altitude Chronograph Pulsograph Valjoux 23 42 mm altitude-chronograph-pulsograph-valjoux-23 | 42 mm | 12.65 mm | 49.62 mm | BC99M |
| Altitude Chronograph GMT 42 mm alt42-chr-g-ss-bk-b | 42 mm | 14.7 mm | 49.62 mm | BC781AC |
Other Bremont models
| Watch | Ø | Thickness | Lug-to-lug | Calibre |
|---|---|---|---|---|
| Supernova Tourbillon 41 mm supernova-41mm-tourbillon | 41 mm | 10.72 mm | 48.7 mm | BHC91180MH |
| HMAF Terra Nova 40.5 mm Date hmaf-terra-nova-40-5mm-date-bracelet | 40.5 mm | 11.11 mm | 47 mm | BB54AH |
| Limited Edition Terra Nova 40.5 mm Power Reserve Bronze tn40-pwr-bz-br-b | 40.5 mm | 11.91 mm | 47 mm | BE-79AL |
| Terra Nova 40.5 mm Date tn40-dt-ss-bk-b | 40.5 mm | 11.11 mm | 47 mm | BE-36AE |
| Terra Nova 40.5 mm Date Bronze tn40-dt-bz-gn-b | 40.5 mm | 11.11 mm | 47 mm | BE-36AE |
| Terra Nova 40.5 mm Turning Bezel Power Reserve tn40-pwr-ss-bk-b | 40.5 mm | 11.91 mm | 47 mm | BE-79AL |
Show 17 more
| Watch | Ø | Thickness | Lug-to-lug | Calibre |
|---|---|---|---|---|
| Terra Nova Jumping Hour 40.5 mm tn40-jh-ss-bk-b | 40.5 mm | 10.15 mm | 47 mm | BC634AH |
| Terra Nova 38 mm tn38-nd-ss-bk-b | 38 mm | 10.7 mm | 44 mm | BE-36AL |
| Terra Nova Jumping Hour 38 mm tn38-jh-ss-cc-b | 38 mm | 9.1 mm | 44 mm | BC634AH |
| Terra Nova 35 mm Jumping Hour terra-nova-35mm-jumping-hour-burgundy-leather-strap | 35 mm | 10.3 mm | 40.93 mm | BC634AH |
| Terra Nova Jumping Hour 35 mm (8.9 mm high) terra-nova-35mm-jumping-hour-leather-strap | 35 mm | 8.9 mm | 40.93 mm | BC634AH |
| Supermarine 500m 43 mm sm43-dt-ss-bk-b | 43 mm | 13 mm | 50 mm | BB64AH |
| Supermarine Full Ceramic 43 mm supermarine-43mm-full-ceramic-deep-blue-leather-strap-watch | 43 mm | 13 mm | 50 mm | BB64AH |
| Supermarine Full Ceramic Tactical Black 43 mm sm43-dt-bkcer-bk-n-s | 43 mm | 13 mm | 50 mm | BE-92AV |
| HMAF Supermarine 40 mm Date hmaf-supermarine-40mm-date-leather-strap | 40 mm | 12 mm | 49 mm | BB64AH |
| Supermarine 300M 40 mm sm40-nd-ss-bl-b | 40 mm | 12 mm | 49 mm | BE-92AO |
| Supermarine 300M Date 40 mm sm40-dt-ss-bk-b | 40 mm | 12 mm | 49 mm | BE-92AV |
| Supermarine 300M Date Bi-Colour 40 mm sm40-dt-bi-br-b | 40 mm | 12 mm | 49 mm | BE-92AV |
| Supermarine 300M GMT 40 mm sm40-gmt-ss-blbk-b | 40 mm | 13 mm | 48 mm | BE-93-2AV |
| Terra Nova 42.5 mm Chronograph tn42-chr-ss-bk-b | 42.5 mm | 14.8 mm | 48.8 mm | BE-50AV |
| Terra Nova 42.5 mm Chronograph Bronze tn42-chr-bz-gn-b | 42.5 mm | 14.8 mm | 48.8 mm | BE-50AV |
| Terra Nova 42.5 mm HRR Chronograph terra-nova-42-5mm-hrr-chronograph-bracelet-watch | 42.5 mm | 14.8 mm | 48.8 mm | BC77AC |
| Supernova Chronograph 41 mm supernova-41mm-chronograph-bracelet | 41 mm | 14.4 mm | 48.7 mm | BC77AC |