Omega Seamaster 300 Seamaster 300 Master Chronometer Stainless Steel / Summer Blue / Bracelet

Reference 234.30.41.21.03.002

Omega Seamaster 300 Master Chronometer Stainless Steel / Summer Blue / Bracelet

About this watch

The Omega Seamaster 300 Master Chronometer 234.30.41.21.03.002 is a masterpiece of luxury watchmaking, boasting a stunning Summer Blue gradient dial that exudes freshness and vibrancy. The round case measures 41.00 mm in diameter and 13.85 mm in height, striking a perfect balance between masculinity and elegance. Crafted from high-grade stainless steel and featuring a ceramic bezel, this watch is built to withstand the rigors of underwater adventures as well as everyday wear. The sapphire crystal provides scratch resistance and clarity that's hard to beat. With its impressive 300 meters of water resistance, this timepiece is a reliable companion for serious divers and water sports enthusiasts alike. At the heart of this masterpiece lies the Omega caliber 8912, an automatic movement that ensures accuracy and reliability with a 60-hour power reserve and a frequency of 25,200 vibrations per hour. METAS-certified, it meets the highest standards of precision and performance. The mixed indexes and arrow hands ensure readability at a glance, even in low light conditions. Whether you're diving into the ocean or diving into your daily routine, this watch is a reliable companion that can handle it all.

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MSRP: $7,400

Market Price: $5,510

Key Features

Striking Summer Blue gradient dial
Robust and durable materials (stainless steel, ceramic bezel)
High water resistance (300m)
METAS-certified movement for accuracy
Versatile for both casual and formal wear

Specifications

Brand

Omega

Family

Seamaster 300

Model

Seamaster 300 Master Chronometer Stainless Steel / Summer Blue / Bracelet

Reference

234.30.41.21.03.002

Movement

8912

Movement Features

Hours, Minutes, Seconds
Chronometer, Co-Axial Escapement

Case

41mm

Dial Color

Blue

Crystal

Sapphire

Water Resistance

300

Current Listings

Omega Seamaster 300M Co-Axial 41mm 2220.80 Box and Card - $2,890

Omega - 2220.80 · $2,890

Up for sale is my Omega Seamaster 2220.80, a 41mm automatic co-axial cal 2500 movement watch with sapphire crystal and original Omega steel bracelet.

Condition: 8.8 / 10, great condition with minimal marks/hairlines
Case size: 41mm diameter
Bracelet size range: 7-7.25 inches for up to certain wrist sizes
Shipping method: Fedex Priority Shipping

Posted at

May 27, 2026, 9:40 PM

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Omega Seamaster 300M Co-Axial 2220.80 41mm Box and Papers - $2,890 -Reserved Post for u/lastattempt3

Omega - 2220.80 · $2,890

Up for sale is my Omega Seamaster 2220.80, a 41mm automatic co-axial cal 2500 movement watch with a steel case and original Omega steel bracelet.

Condition: 8.9/10 - great condition with minimal marks/hairlines
Case size: 41mm diameter
Movement type: co-axial cal 2500
Bracelet material: steel

Posted at

May 27, 2026, 9:15 PM

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Omega Seamaster 300M White 42MM - Ref 210.32.42.20.04.001 (NEW 5/2026 COMPLETE SET)

Omega - 210.32.42.20.04.001 · $5,300

A brand new Omega Seamaster 300M White, Ref 210.32.42.20.04.001, complete with its original accessories.

Condition: New and unworn
Accessories included: outer sleeve, outer box, inner box, all cards, instruction manual, serialized hangtag, AD shipping coffin, travel case

Posted at

May 26, 2026, 8:41 PM

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Omega Seamaster 300M Blue 42MM - Ref 210.30.42.20.03.001 (NEW 5/2026 COMPLETE SET)

Omega - 210.30.42.20.03.001 · $5,600

A 42MM Omega Seamaster 300M Blue, with a complete set of original accessories.

Condition: New & unworn
Size: 42mm diameter
Water Resistance: 30m depth rating (no water resistance mentioned, but standard for the model)
Year: 2026

Posted at

May 26, 2026, 8:38 PM

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Omega Seamaster 300M 2532.20.00 Bracelet and Strap $3,499

Omega - 2532.20.00 · $3,499

A Omega Seamaster 300M 2532.20.00 is being sold with a bracelet and strap.

Bracelet: Bracelet and Strap

Posted at

May 26, 2026, 11:44 AM

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Omega Seamaster 300 Titanium - 41mm Blue Dial - 233.90.41.21.03.001

Omega - 233.90.41.21.03.001 · $4,495

This Omega Seamaster 300 features a lightweight titanium case, blue dial, and micro-adjust clasp for comfort on the wrist.

Condition: Good overall pre-owned condition with normal wear
Size: 41mm diameter
Water Resistance: 200m depth rating

Posted at

May 25, 2026, 10:09 PM

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Omega Seamaster 300M SMP Ceramic 21030422001001

Omega - 21030422001001 · $3,999

A black wave dial Omega Seamaster 300 on a bracelet, featuring minor cosmetic blemishes from desk wear.

Condition: Minor surface marks, in great shape
Box and papers included: yes
Bracelet condition: minor surface marks

Posted at

May 25, 2026, 1:02 PM

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Omega Seamaster 300M SMP Ceramic 21030422001001

Omega - 21030422-0010001

Posted at

May 25, 2026, 1:01 PM

Active

View listing on r/WatchExchange