Longines · Admiral

Strap for Admiral GMT Ceramic

Takes 21 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.

Lug width21 mm
Case diameter42 mm
ReferenceL3.669.4.06.7 (aka: L36694067)
FamilyAdmiral
MovementLongines caliber L704.2 Hours, Minutes, Seconds, Additional 24 Hour Hand (adjustable) | Date
CaseCeramic, Stainless Steel

Spring bar

Swiss Standard universal spring bars

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

Straps for the Admiral L3.669.4.06.7 (aka: L36694067)

Selected for the 21 mm lug width · workshop selection

All 21 mm straps →

The Admiral L3.669.4.06.7 (aka: L36694067), seen from the bench

The Longines Admiral is equipped with the L704.2 caliber featuring hour, minute, second and adjustable GMT hand functions, complemented by a date indication. The model features 21mm lugs and offers the possibility to monitor a second time zone through the dedicated fourth hand.

Frequently asked questions

What is the lug width of the Longines Admiral L3.669.4.06.7?

The lug width of the Longines Admiral L3.669.4.06.7 is 21mm, a precise specification for this model. To verify correctly, measure the internal space between the two lugs of the case with a calliper or ruler positioned perpendicularly. This measurement allows you to identify compatible straps without risk of abnormal tensions on the lugs.

Which strap is most suitable for the Longines Admiral L3.669.4.06.7?

For the Longines Admiral L3.669.4.06.7, we recommend alligator leather straps for formal settings, vegetable-tanned calf for daily use with aesthetic evolution over time, or Cordura NATO for chromatic versatility and practicality. Choice depends on usage environment and desired patina development. A cognac alligator strap amplifies sophistication, whilst a burgundy vegetable-tanned calf introduces elegant warmth.

How do you correctly change the strap on a Longines Admiral L3.669.4.06.7?

To change the strap on the Longines Admiral L3.669.4.06.7, remove the spring bars (horizontal bars) positioned between the lugs. Use a flat-tipped tool (strap remover or small screwdriver) to compress the respective buttons and free the spring bars. Extract the used strap, insert the spring bars into the new strap, and reinforce them into the lug holes on the case. Verify that the spring bars are completely seated to prevent detachment.

Which aftermarket straps are compatible with the Longines Admiral L3.669.4.06.7?

Aftermarket straps compatible with the Longines Admiral L3.669.4.06.7 must feature a 21mm lug width. On milanostraps.it you will find a selection of artisanal leather straps in alligator, vegetable-tanned calf, shell cordovan, NATO, and FKM rubber, all customisable in length, colour and construction details. Always verify that the strap features removable spring bars to ensure secure installation.

How long does an alligator leather strap last on a Longines Admiral L3.669.4.06.7?

A quality alligator leather strap on a Longines Admiral L3.669.4.06.7, with moderate daily use and regular maintenance, typically lasts 3-5 years before replacement is needed. Alligator offers greater wear resistance than standard calf due to the fibre structure. Lifespan increases significantly if the strap is removed during high mechanical stress activities and subjected to periodic cleaning with a slightly soapy damp cloth, avoiding prolonged immersion.

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