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The image shows the transparent case back of an OMEGA Seamaster Diver 300M, displaying its mechanical movement and engravings, with a green strap attached.
Close-up of the OMEGA Seamaster Diver 300M watch face, featuring white hands and markers, a green wavy-patterned dial, Master Chronometer certification, water resistance info, and a date window at 6 oclock.
Close-up of a green OMEGA Seamaster Diver 300M rubber watch strap with silver buckle, featuring embossed branding—designed for water resistance and tailored for the Seamaster Diver 300M.
An OMEGA Seamaster Diver 300M in green with a matching rubber strap, silver bezel, and white hour markers is displayed against a white background.
Side view of a silver OMEGA Seamaster Diver 300M with a green rubber strap and textured crown, highlighting its impressive water resistance against a white background.
A person wears a green OMEGA Seamaster Diver 300M with a matching strap and jacket, their left hand on their right arm, highlighting the watchs precision and water resistance.
A person wears a green OMEGA Seamaster Diver 300M with a matching green rubber strap, visible over the sleeve of a green sweater.
The red Master Chronometer Certificate card from METAS certifies that your OMEGA Seamaster Diver 300M has passed strict tests for the Master Chronometer title, including standards for water resistance and precision.
An OMEGA Seamaster Diver 300M stainless steel watch with a green wave-pattern dial, white indices, and a green rubber strap, featuring outstanding water resistance, displayed on a plain white background.
The image shows the transparent case back of an OMEGA Seamaster Diver 300M, displaying its mechanical movement and engravings, with a green strap attached.
Close-up of the OMEGA Seamaster Diver 300M watch face, featuring white hands and markers, a green wavy-patterned dial, Master Chronometer certification, water resistance info, and a date window at 6 oclock.
Close-up of a green OMEGA Seamaster Diver 300M rubber watch strap with silver buckle, featuring embossed branding—designed for water resistance and tailored for the Seamaster Diver 300M.
An OMEGA Seamaster Diver 300M in green with a matching rubber strap, silver bezel, and white hour markers is displayed against a white background.
Side view of a silver OMEGA Seamaster Diver 300M with a green rubber strap and textured crown, highlighting its impressive water resistance against a white background.
A person wears a green OMEGA Seamaster Diver 300M with a matching strap and jacket, their left hand on their right arm, highlighting the watchs precision and water resistance.
A person wears a green OMEGA Seamaster Diver 300M with a matching green rubber strap, visible over the sleeve of a green sweater.
The red Master Chronometer Certificate card from METAS certifies that your OMEGA Seamaster Diver 300M has passed strict tests for the Master Chronometer title, including standards for water resistance and precision.
An OMEGA Seamaster Diver 300M stainless steel watch with a green wave-pattern dial, white indices, and a green rubber strap, featuring outstanding water resistance, displayed on a plain white background.
The image shows the transparent case back of an OMEGA Seamaster Diver 300M, displaying its mechanical movement and engravings, with a green strap attached.
Close-up of the OMEGA Seamaster Diver 300M watch face, featuring white hands and markers, a green wavy-patterned dial, Master Chronometer certification, water resistance info, and a date window at 6 oclock.
Close-up of a green OMEGA Seamaster Diver 300M rubber watch strap with silver buckle, featuring embossed branding—designed for water resistance and tailored for the Seamaster Diver 300M.
An OMEGA Seamaster Diver 300M in green with a matching rubber strap, silver bezel, and white hour markers is displayed against a white background.
Side view of a silver OMEGA Seamaster Diver 300M with a green rubber strap and textured crown, highlighting its impressive water resistance against a white background.
A person wears a green OMEGA Seamaster Diver 300M with a matching strap and jacket, their left hand on their right arm, highlighting the watchs precision and water resistance.
A person wears a green OMEGA Seamaster Diver 300M with a matching green rubber strap, visible over the sleeve of a green sweater.
The red Master Chronometer Certificate card from METAS certifies that your OMEGA Seamaster Diver 300M has passed strict tests for the Master Chronometer title, including standards for water resistance and precision.

OMEGA Seamaster Diver 300M

O21032422010001 42 mm
View Specs
Regular price $5,900
Starting at /mo or 0% APR with Affirm .
Authorized Luxury Retailer
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Renowned for expertise in luxury watch retail, Watches of Switzerland embodies the highest standards of craftsmanship and service. With a history dating back to the 1700s, the company offers a curated selection of premier timepieces and commits to excellence in customer experience grounded in a legacy of trust and industry proficiency.

Authorized Luxury Retailer

Authorized Luxury Retailer

We are an authorized retailer for over 80 luxury watch brands.
Free Expedited Delivery
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Free Expedited Delivery on Orders $100 and Up (Estimated 1-3 Days)

Our secure shipping service operates Monday through Saturday, from 8:00 a.m. to 6:00 p.m. For security reasons, an adult signature is required for every delivery. Watches of Switzerland does not deliver to P.O. boxes or third-party forwarding services. For more information about delivery, click here. Tracking information will be made available upon shipping.

$15 Flat Fee on Orders Under $100 (Estimated 1 - 2 weeks)

Monday through Saturday, from 8:00 a.m. to 6:00 p.m. For more information about delivery, click here. Tracking information will be made available upon shipping.

If you have any questions or concerns regarding your order, please contact the Watches of Switzerland Client Services

Free Expedited Delivery

Free Expedited Delivery

We offer free, expedited delivery on all orders over $100.
Simple Easy Returns
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Our commitment to you does not end at delivery. We offer the following return services to make your experience as pleasant as possible.

10-Day Returns For Timepieces:

Timepieces purchased online can be returned or exchanged within 10 days from when they are shipped or collected.

30-Day Returns For All Other Purchases:

All other online purchases can be returned or exchanged within 30 days from when they are shipped or collected.

On presentation of the original receipt, your purchases may be returned or exchanged at any of our store locations. Alternatively, you may elect shipping to our facility with all the original paperwork. All refunds must be credited to the same tender used for the original purchase. To return the online purchases through secure shipping service, please contact our client service team who will provide you the shipping label.

All returns or exchanges must be in new, unworn condition, with no scratches or markings, not sized or adjusted and in their original packaging and with warranty cards / certificated and instruction booklets.

Simple Easy Returns

Simple Easy Returns

Purchase with confidence with our simple, free return policy.

Details

Designed for divers and professionals Water resistant to 30 bar (300 metres) MEGA Master Chronometer Calibre 8800 42mm stainless steel case paired with a striking green rubber strap Master Chronometer officially certified by METAS DIVE DEEP INTO EXTRAORDINARY TIMEKEEPING Paying tribute to Omega’s ocean heritage, the Seamaster Planet Ocean collection features Master Chronometer certification, advanced designs and water resistance to 30 bar (300 metres). Designed for use underwater, the Pro Diver collection includes co-axial escapement for long-lasting precision, a silicon balance spring for superior anti-magnetism, and a newly designed helium escape valve. ULTIMATE PRECISION This 42mm model is presented in a stainless steel case, framed by a green ceramic bezel with a white enamel diving scale, and presented on a green rubber strap. A further nod to the collection’s marine legacy, the polished green ceramic dial features a laser-engraved wave pattern and is organised with rhodium-plated skeleton hands and raised indexes coated in white Super-LumiNova for increased visibility. This Master Chronometer is certified by METAS and powered by the 8800 calibre movement for flawless precision.

General

Condition

New

Brand

OMEGA

Reference

O21032422010001

Product Code

17331935

Power Reserve

55 Hours Approx

Features

Automatic movement
Waterproof

Case

Case Size

42 mm

Case Depth

14 mm

Case Shape

Round

Case Material

Steel

Bezel Material

Ceramic

Bezel Color

Green

Crystal

Sapphire

Dial

Dial Color

Green

Dial Texture

Wave

Dial Markers

Dots and Batons

Stone Set

No

Movement

Type

Auto

Bracelet

Type

Strap

Stone Set

No

Buckle

Pin

A person in a suit adjusts their collar, wearing a silver luxury wristwatch with a black bezel.

Explore OMEGA

The OMEGA collection of watches epitomizes a blend of timeless elegance and cutting-edge innovation. From the legendary Speedmaster, the inaugural watch on the moon, to the iconic Seamaster, beloved by secret agents, each timepiece effortlessly integrates sophisticated design with unparalleled precision. Whether you're captivated by the vintage charm of the Constellation or the dynamic allure of the Planet Ocean, OMEGA presents a diverse array of watches, each narrating a distinctive tale of craftsmanship and style.

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