Omega · Constellation
Strap for Constellation Quartz 27 Brushed Stainless Steel / Grey Feather
Takes 18 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.
Lug width
Straps for the Constellation 123.10.27.60.56.001 (aka: 12310276056001)
Selected for the 18 mm lug width
Hammered Calfskin Strap Light Blue€98
Vintage Brown Calfskin Strap — Natural Patina€98
Hammered Pink Strap with Ecru Stitching€98
Hammered Yellow Strap with Ecru Stitching€98
Grey Hammered Leather Strap with Ecru Stitching€98
Swift Red Leather Strap€120
Frequently asked questions
What is the exact lug width of the Omega Constellation 123.10.27.60.56.001?
The lug width of the Constellation 123.10.27.60.56.001 is exactly 18mm. This dimension is the determining constraint for choosing any compatible aftermarket strap. The measurement must be taken between the two lugs of the case: a dedicated tool (spring bar tool) is necessary to verify it with precision. MilanoStraps offers 18mm pre-sized and customizable straps for this model.
What is the best strap for the Omega Constellation 27mm?
For the Constellation 123.10.27.60.56.001, we recommend straps in noble materials: vegetable-tanned alligator for everyday elegance, vegetable-tanned calf leather for natural patina development, or shell cordovan for twenty-year durability and deep color. The choice depends on use: formal occasions require alligator or calf leather, long-term preservation suggests cordovan. MilanoStraps and the Casati Milano atelier customize every choice in size, color, and stitching.
How do you change the strap on the Omega Constellation 123.10.27.60.56.001?
The change requires a spring bar tool: insert the tip into the lug seat on the case, apply lateral pressure until the elastic pin emerges, remove the worn strap, insert the new one by aligning the lug holes, reinsert the pin until it clicks. We recommend entrusting the operation to a professional to avoid scratching the case, especially if the case is in brushed steel sensitive to marks. MilanoStraps and Casati Milano offer mounting services upon request.
Can I use an aftermarket strap on this Omega?
Yes, provided it respects the 18mm lug width. Any strap with 18mm lugs (verify the manufacturer's specifications) is compatible. Straps in alligator, calf leather, shell cordovan, NATO, and rubber from MilanoStraps are all compatible with the 123.10.27.60.56.001. Attention: incorrect sizes (16mm, 20mm) cause dangerous loosening or installation impossibility.
How long does a leather strap last on this watch?
A vegetable-tanned calf leather strap typically lasts 3-5 years with daily use, developing visible patina after 6-12 months. Alligator, being more robust, reaches 5-8 years. Shell cordovan exceeds 15-20 years thanks to the dense protein structure of the leather. Durability depends on environmental humidity, frequency of use, and maintenance (periodic brushing, avoiding prolonged immersion). MilanoStraps offers an 18-month warranty on all handcrafted straps and assistance for reinforcements and repairs.
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

