Omega · Seamaster Planet Ocean
Strap for Seamaster Planet Ocean 600M Co-Axial 42 Mécanique 16 Sapphires / Short Strap
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 Seamaster Planet Ocean 2915.50.48 (aka: 29155048)
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
Military Alligator Green Strap€138
Hammered Calfskin Strap Light Blue€98
The Seamaster Planet Ocean 2915.50.48 (aka: 29155048), seen from the bench
Frequently asked questions
What is the exact lug width of the Omega Seamaster Planet Ocean 2915.50.48?
The lug width of the 2915.50.48 is 20mm. This measurement refers to the distance between the two spring bar attachments on the case and determines compatibility with any aftermarket strap. To verify it correctly, use a digital caliper, measuring perpendicularly between the two spring bars on the same horizontal line.
What is the best strap for the Seamaster Planet Ocean 2915.50.48?
To enhance the bi-metal case in white gold and steel, we recommend a black dyed alligator strap with neutral stitching thread. This choice highlights the aesthetic contrast and maintains the sporty elegance of the model. Premium alternatives include vegetable-tanned calf leather in hazel tones or burgundy shell cordovan for those seeking a patina that matures over time.
How do you change the strap on a Seamaster Planet Ocean 2915.50.48?
Strap change is performed by removing the spring bars from the two side lugs of the case. Using a spring bar tool, apply light lateral pressure on one of the two poles of the attachment to release the bar, then remove the previous strap. Insert the new strap by aligning the holes with the attachments and press carefully until the bar locks in place. There is no need to disassemble the movement.
Is an aftermarket strap really compatible with the 2915.50.48?
Yes, provided that the lug width is exactly 20mm. All straps manufactured with 20mm lug width guarantee mechanical compatibility with the Seamaster Planet Ocean 2915.50.48 without requiring adjustments. Always verify the seller's specifications before purchase and consider that quality brands test positioning on their reference samples.
What is the average lifespan of a leather strap for the Seamaster Planet Ocean 2915.50.48?
A noble leather strap with vegetable tanning maintains functional integrity between 3 and 5 years of continuous use, with variability based on climate, frequency of use, and maintenance care. Exposure to marine moisture accelerates wear (rinsing with fresh water after immersions is recommended). Black dyed alligator, due to its construction characteristics, tends to last longer than calf leather. FKM rubber straps guarantee greater longevity but require periodic cleaning with neutral soap.
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

