Omega · Seamaster Planet Ocean
Strap for Seamaster Planet Ocean 600M Co-Axial 37.5 Chronograph Stainless Steel / Orange / Bracelet
Takes 20 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.
Lug width
Recommended spring bar
Straps for the Seamaster Planet Ocean 222.30.38.50.01.002 (aka: 22230385001002)
Selected for the 20 mm lug width · workshop selection
Military Red Alligator Strap with Blue Stitching€183
Black and Red NATO Strap — Military Heritage€183
Black Crocodile Military Strap with Blue Stitching€183
Black Calfskin NATO Strap 20mm€80
Dark Brown Calfskin Military Strap€80
The Seamaster Planet Ocean 222.30.38.50.01.002 (aka: 22230385001002), seen from the bench
Frequently asked questions
What is the lug width of the Omega Seamaster Planet Ocean 222.30.38.50.01.002?
The lug width of the Seamaster Planet Ocean 222.30.38.50.01.002 is 20mm. This width is standard for the 37.5mm model and is the fundamental measurement for selecting compatible straps online or custom-made. It is measured by measuring the space between the two horizontal pins that protrude from the case at the 12 o'clock and 6 o'clock positions.
Which strap should I choose for the Seamaster Planet Ocean 222.30.38.50.01.002?
The choice depends on intended use and desired aesthetics. Genuine alligator with vegetable tanning is ideal for transitioning between formal contexts and water sports; anilina calf offers softness and natural patina; FKM rubber is the technical solution for frequent diving. We recommend rubber for those who actively use the dive chronograph, and natural leathers (alligator, calf) for those who emphasize craftsmanship value and daily versatility.
How do I change the strap on the Seamaster Planet Ocean 222.30.38.50.01.002?
The Seamaster 222.30.38.50.01.002 uses standard spring bars. Use a spring bar tool to gently compress the pin from the bottom, extracting it from the case lug hole. Next, insert the new strap by aligning the lug holes with the pins and release the tool to snap the pin into position. We recommend caution to avoid scratching the stainless steel case during the operation.
Can I fit an aftermarket strap to my Seamaster Planet Ocean 222.30.38.50.01.002?
Yes, the 20mm size is compatible with numerous high-quality aftermarket straps. Straps made by Italian artisans with fine leathers (alligator, vegetable-tanned calf, shell cordovan) offer customization in size, color, stitching thread and deployant clasp, often proving superior to factory straps in aesthetic versatility and structural longevity.
What is the average lifespan of a leather strap for the Seamaster Planet Ocean?
A fine leather strap, if subjected to periodic maintenance (cleaning and conditioning with neutral creams every 6-8 months), has an average lifespan of between 3 and 5 years with daily use. Factors such as humidity, frequency of immersion, type of tanning and construction thickness influence longevity. Straps made with vegetable tanning or shell cordovan tend to age better visually, acquiring characteristic patina. Italian artisanal warranty typically covers 18 months against construction defects.
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