Strap for Black Bay GMT Stainless Steel / Black / Pepsi / Fabric

The Tudor Black Bay GMT 79830RB-0003 features a 22mm lug width. This measurement is certified by Tudor and corresponds to the specifications of reference M79830RB-0003. The measurement should be taken internally between the lug seats using a digital calliper, without including the lugs themselves.

For the 79830RB-0003, we recommend alligator with vegetable tanning in Havana or Deep Blue tones, or Tuscan calf with contrasting stitching. Both materials complement the satin steel case and Pepsi bezel without visual competition. The 22mm width ensures optimal proportions on the 41mm case. Avoid excessively stiff straps: the GMT deserves flexibility.

Strap replacement requires a dedicated spring bar tool. Position the watch with the case facing upward, locate the lower lug and gently insert the tool into the small lateral groove. Press to release the internal spring, extract the bar and replace the strap. Repeat for the upper lug. If you are inexperienced, entrust the service to Casati Milano to avoid scratches.

Yes, any strap with 22mm lugs is compatible with the 79830RB-0003. However, verify the total length (at least 110-120mm for wrist closure) and the type of fastening (deployante or standard buckle). Straps with deployante clasps offer superior security and comfort compared to traditional buckles.

A calf or alligator strap with vegetable tanning typically lasts 3-5 years with regular use (worn 4-5 days per week). Longevity depends on sun exposure, humidity and cleaning frequency. Rubber or NATO straps last longer (5-7 years). Quarterly cleaning with neutral soap and natural air-drying significantly extends strap life. Milano Straps offers an 18-month warranty on custom straps.