Rubber Strap for Omega Seamaster Diver 300 42mm Blue
FITS WRIST SIZES
This strap fits wrists in sizes: 13–20,5cm | 5"–8"
Unsure if it fits? Follow our step-by-step guide below.
1. MEASURING YOUR WRIST
Use a taper or a strip of paper to measure the circumference of your wrist following the instructions.

2. HOW TO CHANGE THE STRAP
Learn how to easily change the watch strap in our tutorial.
3. STRAP SIZE GUIDE
The measurements of our Rubber Straps for Omega SMP300.

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The Rubber Strap for Omega Seamaster Diver 300 42mm Blue is made specifically for the Omega Seamaster Professional 300 Diver 42mm from 2018 and onwards. The curved ends follow the shape of the case closely, giving the watch a clean and natural fit that feels right straight away. The strap is made from high quality FKM rubber, making it fully waterproof, flexible, and comfortable for both daily wear and diving. It is easy to install at home using standard spring bars, so changing straps takes only a few minutes. You can choose between our smooth FKM rubber strap or the Vertech version with its textured pattern, both made from the same durable material. The strap is available in several colors.
Not finding what you're looking for? You'll find all Omega Straps here and all Omega Seamaster Rubber Straps here. Explore our full range of straps tailored for Omega watches, including options for Speedmaster, Omega X Swatch, and more.
- Perfect Fit: Specifically designed for Omega Seamaster Professional 300 Diver (42mm, 2018 onwards).
- Premium Material: High-quality vulcanized FKM rubber—waterproof, anti-UV, anti-dust, hypoallergenic, and highly durable.
- Adjustable Size: Comfortably fits wrist sizes from 13–20.5 cm (5"–8").
- Secure Hardware: Robust 304L stainless steel buckle
- Lug Width: 20mm
- Colors: Navy Blue, White, Military Green, Yellow & Red
Note: THE WATCH IS NOT INCLUDED!
This strap is not manufactured or endorsed by Omega SA. It is a third-party accessory designed specifically to fit the Omega Seamaster Professional 300 Diver (2018 and onwards, 42mm).
- Perfect Fit: Specifically designed for Omega Seamaster Professional 300 Diver (42mm, 2018 onwards).
- Premium Material: High-quality vulcanized FKM rubber—waterproof, anti-UV, anti-dust, hypoallergenic, and highly durable.
- Adjustable Size: Comfortably fits wrist sizes from 13–20.5 cm (5"–8").
- Secure Hardware: Robust 304L stainless steel buckle
- Best Rated Globally: Over 175,000 straps sold with an average customer rating of 4.8/5.
Note: Watch not included. This is a third-party accessory, not manufactured or endorsed by Omega SA.
Not sure what size you need or how to change your watch strap? Press HERE to see our "How-To Guides".
🇺🇸 Update for US customers: No import duties despite recent tariff changes
We want to reassure our US customers that all orders remain tariff-free under the current $800 exemption limit. Recent changes to US trade policy do not affect our products, and you will not be charged any hidden fees or duties upon delivery.
We ship all orders from our warehouse in Stockholm, Sweden, within 0–2 business days after receiving payment. Place your order before 15:00 (GMT+1), and we’ll ship it the same day. Delivery typically arrives the next business day within the EU and within 2–5 days for destinations outside the EU.
Standard Shipping (Free over $60)
Delivery Times on All Watch Bands & Accessories:
- Sweden: 0–2 business days*
- Europe (EU): 2-6 business days*
- North America: 3-7 business days*
- Asia: 3-7 business days*
- Middle East: 3-7 business days*
- Rest of World: 3-7 business days*
Fast & Free Express Shipping via UPS Express & FedEx Connect Plus (Free upgrade over $100)
We offer Free Express Shipping on all orders over $100 to ensure secure, fast, and reliable delivery worldwide. Estimated delivery times:
- Sweden: 0–2 business days*
- Europe (EU): 1–2 business days*
- North America: 1–3 business days*
- Asia: 2–4 business days*
- Middle East: 2–4 business days*
- Rest of World: 2–4 business days*
*Delivery estimates apply when the customer is available at the first delivery attempt and no customs delays or address changes occur after dispatch.
Customs & Import Duties
- 🇺🇸 United States:
All orders under $800 are duty-free and exempt from import taxes under current US customs regulations. Recent tariff adjustments do not apply to our products. No surprises or hidden fees.
- 🇪🇺 European Union:
All prices include VAT. You won’t pay anything extra upon delivery.
- 🇬🇧 United Kingdom:
Orders over £135 are subject to VAT. To avoid this government-imposed charge, we recommend placing multiple smaller orders under this threshold.
- 🌍 Outside EU/US/UK:
Some countries may charge local import duties or VAT upon delivery. These charges are determined by your local customs authority and are the responsibility of the customer. Countries where this is more common include Canada, Chile, India, Indonesia, the Philippines, Malaysia, and select African markets.
We do our best to ensure a smooth delivery experience and minimize customs-related delays. If you have questions about your local regulations, we recommend contacting your customs office.
We’re here to help
Our team is committed to making your shopping experience smooth and hassle-free. For any shipping or customs-related questions, don’t hesitate to reach out: info@wristbuddys.com














































































