Longines · Legend Diver

Strap for Legend Diver Bronze

Takes 22 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.

Lug width22 mm
Case diameter42 mm
ReferenceL3.774.1.50.2 (aka: L37741502)
FamilyLegend Diver
MovementLongines caliber L888.3 Hours, Minutes, Seconds | Date
CaseTitanium, Bronze

Spring bar

Swiss Standard universal spring bars

The right category for this model · 316L steel, all lug widths 13–26 mm

Straps for the Legend Diver L3.774.1.50.2 (aka: L37741502)

Selected for the 22 mm lug width · workshop selection

All 22 mm straps →

The Legend Diver L3.774.1.50.2 (aka: L37741502), seen from the bench

The Legend Diver represents the modern reinterpretation of a historic Longines dive watch. It features the automatic caliber L888.3 with hour, minute, second, and date indication. The case has a robust construction suitable for underwater use with a screw-down crown and case back.

Frequently asked questions

What is the lug width of the Longines Legend Diver L3.774.1.50.2?

The lug width of the Longines Legend Diver L3.774.1.50.2 is 22mm. This measurement is essential for selecting compatible straps. You can verify this by placing a ruler or digital calliper across the lugs: any aftermarket strap with a 22mm lug width will fit perfectly without modifications.

Which strap material is best suited for the Longines Legend Diver L3.774.1.50.2?

The ideal strap depends on your usage. For formal wear, alligator leather with vegetable tanning creates elegant contrast with the bronze patina. For versatile sports use, nappa calf with vegetable tanning offers comfort and durability. For water-centric activities, butyl rubber or ballistic nylon NATO straps provide complete water resistance and UV protection. All materials are available in 22mm lug width specifications.

How do I change the strap on a Longines Legend Diver L3.774.1.50.2?

Use a spring bar tool to change the strap. Place the watch on a stable surface, insert the flat tip of the spring bar tool into the gap between the lug and strap, press gently downward to compress the internal spring, and remove the pin. Repeat on both sides. To install the new strap, align the holes with the lugs and use the spring bar tool to insert the pin, ensuring it clicks securely into place.

Are aftermarket straps compatible with the Longines Legend Diver L3.774.1.50.2?

Yes, completely. The Legend Diver L3.774.1.50.2 features 22mm lugs, a widely-standardised dimension. Any quality strap manufactured with 22mm lug width will be compatible without modifications. MilanoStraps offers a comprehensive selection of artisanal 22mm straps in alligator, calf, shell cordovan, and technical materials, all precision-tested for dimensional accuracy.

How long does a leather strap last on the Longines Legend Diver L3.774.1.50.2?

Leather strap longevity depends on usage and maintenance. With moderate wear (3-4 days per week) and proper care—drying after perspiration and protection from excessive moisture—alligator or vegetable-tanned calf straps last 18-36 months before replacement. Premium shell cordovan straps can endure up to 48 months. Constant exposure to fresh water, chlorine, and UV rays accelerates wear. MilanoStraps guarantees 18 months on straps created at the Casati Milano atelier.

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.

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Casati Milano · Via XX Settembre 15, Milan · by appointment only