Longines · Legend Diver
Strap for Heritage Legend Diver Pink Gold / Poland
Takes 22 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.
Lug width
Straps for the Legend Diver L3.774.8.58.9 (aka: L37748589)
Selected for the 22 mm lug width · workshop selection
Grand Cavalier Military Brown Leather Strap€120
Natural Calfskin Rally Strap€110
Vintage Gray Calfskin Strap€80
Grey Hammered Leather Strap with Ecru Stitching€98
Black Saffiano Rubber Strap€105
The Legend Diver L3.774.8.58.9 (aka: L37748589), seen from the bench
Frequently asked questions
What is the lug width of the Longines Legend Diver L3.774.8.58.9?
The lug width is 22mm. This measurement represents the distance between the two lugs (pin attachments) that extend from the case on either side. This specification is critical: only straps with an active width of 22mm will fit correctly without gaps or instability.
Which strap should I pair with the Longines Legend Diver L3.774.8.58.9 in Red Gold?
Alligator leather with vegetable tanning is the most refined choice: the regular grain creates a sophisticated tactile contrast with the case, and cognac or dark brown tones develop a natural colour harmony with the rose gold. An alternative is vegetable-tanned vitello in burgundy or light brown. For authentic sports use, vulcanised rubber in black or navy blue maintains the diver's heritage.
How do I change the strap on a Longines Legend Diver L3.774.8.58.9?
You will need a spring bar tool (lever) and a soft surface. Place the watch face-down, insert the tool under the lug on one of the two horizontal pins, press upward until you hear a click, and remove the pin. Repeat on the other side. Remove the old strap. Align the lugs of the new strap with the access holes and gently push them into position until you hear a click. Verify the strap sits flush with no play.
Is an aftermarket strap compatible with the Longines Legend Diver L3.774.8.58.9?
Yes, provided it is certified for 22mm lug width. You will find artisan-crafted leather and rubber straps available online and from specialist retailers. Always avoid 20mm or 24mm straps: they will create instability or unacceptable aesthetic gaps. Always verify the exact dimensions before purchase.
What is the lifespan of a leather strap on a Longines Legend Diver L3.774.8.58.9?
A strap in alligator, vitello, or shell cordovan, worn regularly (4–5 days per week), will maintain structural integrity for 4–6 years before replacement is necessary. Lifespan depends on ambient humidity, frequency of wear, and tanning quality. Vegetable-tanned leather develops a sophisticated patina over time. Store the strap in a dry environment and protect it from prolonged direct sunlight.
The next step
The right strap isn't chosen. It is built, together.
From the atelier appointment to delivery, every step is made for those who know that things done well take time. Rare leathers, one piece at a time, eighteen months of warranty.
Request an appointment →Casati Milano · Via XX Settembre 15, Milan · by appointment only
