Watch Lug Width by Model — Complete Reference

Lug width is the gap in millimetres between the two lugs on your watch case — the measurement that determines which watch strap fits your watch. Getting it wrong means a strap that won't fit at all. Getting it right means a strap that fits perfectly from the first wear.

This page covers lug widths for the most widely owned watch references — organised by brand. If your watch is not listed, see the how to measure lug width guide for instructions on measuring directly.

Once you know your lug width, jump to your size: 16mm | 17mm | 18mm | 19mm | 20mm | 21mm | 22mm | 23mm | 24mm

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Rolex Lug Width

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Omega Lug Width

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Tudor Lug Width

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Seiko Lug Width

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IWC Lug Width

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Breitling Lug Width

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Hamilton Lug Width

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TAG Heuer Lug Width

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Tissot Lug Width

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Longines Lug Width

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Nomos Glashütte Lug Width

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Junghans Lug Width

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Panerai Lug Width

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Blancpain Lug Width

*Note: Blancpain x Swatch uses screw-in pins requiring a 0.9mm hex key, not standard spring bars.

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Casio Lug Width

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Citizen Lug Width

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Timex Lug Width

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Garmin Lug Width

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Samsung Lug Width

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Cartier Lug Width

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Marathon Lug Width

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Oris Lug Width

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Sinn Lug Width

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Frequently Asked Questions

What lug width does a Rolex Submariner use? Modern Rolex Submariner references (2010 onwards) use 20mm lugs. Vintage Submariner references (pre-2010, including 5513, 1680, 5512) use 19mm lugs.

What lug width does an Omega Seamaster use? The Omega Seamaster Diver 300M and Planet Ocean both use 20mm lugs across all current case sizes.

What lug width does a Tudor Black Bay use? It depends on the specific reference. The Black Bay 41mm (older M79230) uses 22mm. The Black Bay 41mm (newer M79683), Black Bay 36mm, and Black Bay 58 use 19mm or 20mm depending on exact reference. Always confirm against your specific reference number.

What lug width does an IWC Pilot's Watch use? The IWC Pilot's Watch 41mm and 43mm use 20mm lugs. The Big Pilot 46mm uses 22mm.

What lug width does a Blancpain Fifty Fathoms use? The Fifty Fathoms 45mm uses 23mm — an unusual size that most retailers do not stock. CNS stocks 23mm watch straps specifically for this reference. The smaller Fifty Fathoms 38mm uses 20mm.

What lug width does a Panerai Luminor use? Most Panerai Luminor references use 24mm lugs. The Luminor Due uses 22mm.

My watch is not listed — how do I find my lug width? Measure directly with digital calipers or a ruler — see the complete wrist and lug width measuring guide. Alternatively, check your watch manufacturer's website or search your reference number in a watch database.

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Find your strap by size: 16mm | 17mm | 18mm | 19mm | 20mm | 21mm | 22mm | 23mm | 24mm