Widths differ across this line. Enter or pick your exact reference to get its width.
21 or 22 mm
Verification: Not yet verified
Attachment: spring bars
41 to 42 mm cases · 2022
Indicative information. Check your watch before buying a strap: whatsmylugwidth.com is not responsible for an incorrect size.
Montblanc 1858 GMT references in our database. Each card says where its width comes from: listed by the maker (linked to the maker's page in the details), two independent sources agree, or listed in our database and not yet verified by us.
1858 GMT Black
Lug width: 22 mm
Source: Not yet verified Attachment: Spring barsCase size: 42 mmYear: 2022Black dialCase material: Steel
1858 GMT Black Dial
Lug width: 21 mm
Source: Not yet verified Attachment: Spring barsCase size: 41 mmBlack dial
1858 GMT Blue
Lug width: 22 mm
Source: Not yet verified Attachment: Spring barsCase size: 42 mmYear: 2022Blue dialCase material: Steel
No reference matches.
Montblanc 1858 GMT lug width: 21 or 22 mm depending on the reference. The most common is 22 mm (2 of the 3 references with a listed width in our database). Find your exact reference in the table below. These widths come from our database and are not yet verified.
No. 2 different lug widths appear across the line, often by case size or generation. Check the reference engraved on the case back or between the lugs.
From our database, which lists 3 Montblanc 1858 GMT references, 3 of them with a listed width. Each reference card says whether the maker lists the width, two independent sources agree on it, or it is not yet verified.
The gap between the two lugs that hold the strap, in millimetres. A new strap must match it exactly: 20 mm lugs take a 20 mm strap.
Most watches use spring bars, so any strap of the right width fits. Many smartwatches use their own band system instead, such as Apple Watch bands or Garmin QuickFit.