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The back of the OMEGA Seamaster Diver 300M displays a transparent case revealing the movement, blue strap, gold and silver detailing, and boasts Master Chronometer certification.
A person in a navy jacket and gray shirt wears an OMEGA Seamaster Diver 300M with a blue dial and blue strap.
The OMEGA Seamaster Diver 300M, a blue and gold chronograph with three subdials, date window, blue rubber strap, and Ceragold™ diving scale, is angled against a white background.
Rear view of the OMEGA Seamaster Diver 300M featuring a blue rubber strap, stainless steel buckle, and a transparent case back showcasing the Master Chronometer movement.
Side view of the OMEGA Seamaster Diver 300M with blue strap, gold bezel and crown, showcasing the Ceragold™ diving scale and Master Chronometer case.
A close-up of the OMEGA Seamaster Diver 300M, featuring a blue dial, gold bezel with Ceragold™ diving scale, and a blue rubber strap, displaying markers and chronograph dials.
Close-up of an OMEGA Seamaster Diver 300M showing its blue dial, gold details, Ceragold™ diving scale, two subdials, blue rubber strap, and 300m water resistance indicated on the face.
The OMEGA Seamaster Diver 300M features a blue dial and strap, gold and silver accents, three subdials, Ceragold™ diving scale bezel, luminous markers, and is Master Chronometer certified for outstanding precision.
The back of the OMEGA Seamaster Diver 300M displays a transparent case revealing the movement, blue strap, gold and silver detailing, and boasts Master Chronometer certification.
A person in a navy jacket and gray shirt wears an OMEGA Seamaster Diver 300M with a blue dial and blue strap.
The OMEGA Seamaster Diver 300M, a blue and gold chronograph with three subdials, date window, blue rubber strap, and Ceragold™ diving scale, is angled against a white background.
Rear view of the OMEGA Seamaster Diver 300M featuring a blue rubber strap, stainless steel buckle, and a transparent case back showcasing the Master Chronometer movement.
Side view of the OMEGA Seamaster Diver 300M with blue strap, gold bezel and crown, showcasing the Ceragold™ diving scale and Master Chronometer case.
A close-up of the OMEGA Seamaster Diver 300M, featuring a blue dial, gold bezel with Ceragold™ diving scale, and a blue rubber strap, displaying markers and chronograph dials.
Close-up of an OMEGA Seamaster Diver 300M showing its blue dial, gold details, Ceragold™ diving scale, two subdials, blue rubber strap, and 300m water resistance indicated on the face.
The OMEGA Seamaster Diver 300M features a blue dial and strap, gold and silver accents, three subdials, Ceragold™ diving scale bezel, luminous markers, and is Master Chronometer certified for outstanding precision.
The back of the OMEGA Seamaster Diver 300M displays a transparent case revealing the movement, blue strap, gold and silver detailing, and boasts Master Chronometer certification.
A person in a navy jacket and gray shirt wears an OMEGA Seamaster Diver 300M with a blue dial and blue strap.
The OMEGA Seamaster Diver 300M, a blue and gold chronograph with three subdials, date window, blue rubber strap, and Ceragold™ diving scale, is angled against a white background.
Rear view of the OMEGA Seamaster Diver 300M featuring a blue rubber strap, stainless steel buckle, and a transparent case back showcasing the Master Chronometer movement.
Side view of the OMEGA Seamaster Diver 300M with blue strap, gold bezel and crown, showcasing the Ceragold™ diving scale and Master Chronometer case.
A close-up of the OMEGA Seamaster Diver 300M, featuring a blue dial, gold bezel with Ceragold™ diving scale, and a blue rubber strap, displaying markers and chronograph dials.
Close-up of an OMEGA Seamaster Diver 300M showing its blue dial, gold details, Ceragold™ diving scale, two subdials, blue rubber strap, and 300m water resistance indicated on the face.

OMEGA Seamaster Diver 300M

O21022445103001 44 mm
View Specs
Regular price $12,700
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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.
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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.

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Simple Easy Returns

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Details

Seamaster Diver 300 - designed for divers and professionals Water resistant to 300 bar (300 metres) Driven by the OMEGA Master Chronometer Calibre 9900 Presented in a 44mm stainless steel and 18K yellow gold case paired with a blue rubber strap Polished blue ceramic bezel with a Ceragold™ diving scale DIVE INTO EXTRAORDINARY TIMEKEEPING Paying tribute to Omega's ocean heritage, the Seamaster collection features Master Chronometer certification, advanced designs and water resistance to 30 bar (300 metres). Designed for use underwater, the Professional Diver 300 collection includes co-axial escapement for long-lasting precision, a silicon balance spring for superior anti-magnetism, and a newly designed, conical helium escape valve. AN UPDATED ICON This 42mm model is presented in a stainless steel and 18K yellow gold case, framed by a polished blue ceramic bezel with a Ceragold™ diving scale, and presented on a blue rubber strap. A further nod to the collection's marine legacy, the polished blue ceramic dial features a laser-engraved wave pattern, as well as 18K yellow gold skeleton hands, two sub-dials, and raised indexes coated in white Super-LumiNova for increased visibility. This Master Chronometer is certified by METAS and powered by the 9900 calibre movement for flawless precision.

General

Condition

New

Brand

OMEGA

Reference

O21022445103001

Product Code

17331644

Power Reserve

60 Hours Approx

Features

Automatic movement
Waterproof

Case

Case Size

44 mm

Case Depth

17 mm

Case Shape

Round

Case Material

Steel & 18ct Yellow Gold

Bezel Material

Ceramic

Bezel Color

Blue

Crystal

Sapphire

Dial

Dial Color

Blue

Dial Texture

Wave

Dial Markers

Dots

Stone Set

No

Movement

Type

Auto

Bracelet

Type

Strap

Stone Set

No

Buckle

Pin

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