Omega · Constellation
Strap for Constellation Automatic 27.5 '95 Yellow Gold / Silver
Takes 20 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.
Lug width
Straps for the Constellation 1192.30.00
Selected for the 20 mm lug width · workshop selection
Black Alligator Strap with Light Blue Edges€149
Red Alligator Strap Water Resistant€195
Green Rubberized Alligator Strap with Ecru Tribal Stitching€149
Hammered Calfskin Strap Light Blue€98
Vintage Olive Green Calf Leather Watch Strap€80
The Constellation 1192.30.00, seen from the bench
Frequently asked questions
What is the lug width of the Omega Constellation 1192.30.00?
The lug width of the Omega Constellation 1192.30.00 is 20mm. This measurement refers to the distance between the inner edges of the two lugs on the case, exactly where the strap is inserted. Always verify compatibility by inserting the strap into the lateral attachments: it must not show any horizontal play.
What strap material do you recommend for the Constellation 1192.30.00 in yellow gold?
Alligator in cognac or dark brown tones is the classic choice, with its natural texture creating a subtle dialogue with the gold. Alternatively, vegetable tanning offers an evolutionary patina that darkens over time. For formal occasions, smooth calf leather in black ensures absolute formal refinement. Vulcanized rubber in grey or black allows daily versatility without stylistic compromise.
How do I change the strap on my Omega Constellation 1192.30.00?
Insert a flat tool (spring bar tool) under the lug of the old strap, then gently push inward to release the spring. Remove the old strap and insert the new one by aligning the end with the attachment, then press until you hear the spring click. Ensure the strap is fully inserted and does not oscillate laterally before wearing the watch.
Is an aftermarket strap compatible with the Constellation 1192.30.00?
Yes, provided it has a lug width of 20mm. Always verify the technical specifications before purchase. Milano Straps are crafted with Italian artisanship and customizable in sizes, leathers, initials, and thread color, guaranteeing perfect compatibility and construction quality superior to generic straps.
How long does a leather strap last on a watch worn daily?
The lifespan varies depending on the material and usage. An artisanal alligator or shell cordovan strap of quality has an average life of 3-5 years with moderate daily use. Vegetable tanned leather tends to last longer if subjected to regular care (cleaning with damp cloth, annual conditioning). Vulcanized rubber lasts 2-4 years before losing elasticity. Casati Milano atelier offers an 18-month warranty on custom straps and post-sale assistance for any 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

