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A silver OMEGA Seamaster Diver 300 watch featuring a black dial, mesh strap, and white hour markers.
Back view of the OMEGA Seamaster Diver 300, featuring its exposed mechanical movement and stainless steel mesh strap.
Close-up of an OMEGA Seamaster Diver 300 watch featuring a black dial, white markers, and a stainless steel mesh band.
A silver OMEGA Seamaster Diver 300 watch featuring a black dial, mesh strap, and white hour markers.
Back view of the OMEGA Seamaster Diver 300, featuring its exposed mechanical movement and stainless steel mesh strap.
Close-up of an OMEGA Seamaster Diver 300 watch featuring a black dial, white markers, and a stainless steel mesh band.
A silver OMEGA Seamaster Diver 300 watch featuring a black dial, mesh strap, and white hour markers.
Back view of the OMEGA Seamaster Diver 300, featuring its exposed mechanical movement and stainless steel mesh strap.
Close-up of an OMEGA Seamaster Diver 300 watch featuring a black dial, white markers, and a stainless steel mesh band.
OMEGA

Seamaster Diver 300

O21030422001018 42 mm
View Specs
Regular price $7,300
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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.

OMEGA Seamaster Diver 300 - (Ref. O21030422001018) Product Details

This 42mm model is crafted in robust stainless steel and features a striking black anodized aluminum bezel ring, complete with a white Super-LumiNova diving scale for enhanced visibility. The black aluminum dial is designed with rhodium-plated, skeletonized hands and indexes, all filled with white Super-LumiNova for optimal legibility in low light.

Signature orange accents highlight the central seconds hand, the four quarter-hour indexes, and the Seamaster name, adding a bold and sporty touch. The OMEGA logo is presented in crisp white for a clean, sophisticated finish.

General

Condition

New

Brand

OMEGA

Reference

O21030422001018

Year

SPRING/SUMMER 2025

Family

Seamaster Diver 300m

Product Code

17332409

Power Reserve

55 Hours Approx

Watch Display

Analogue

Water Resistance

300 Metres

Features

Date display
Automatic movement
Waterproof

Case

Case Size

42 mm

Case Depth

14 mm

Case Shape

Round

Case Material

Steel

Bezel Material

Steel

Bezel Color

Black

Crystal

Sapphire

Dial

Dial Color

Black

Dial Texture

Plain

Dial Markers

Dots

Stone Set

No

Movement

Type

Auto

Bracelet

In-house Movement

Yes

Type

Bracelet

Bracelet Material

Steel

Stone Set

No

Buckle/Clasp

Pin

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

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