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 300 2920.80.91 “Casino Royale”Box and Papers

Omega - 2920.80.91 · $3,450

This Omega Seamaster Professional is the same watch used in the first Daniel Craig Bond movie 'Casino Royale'. It comes with a stainless steel bracelet and features a good-condition case.

Condition: Good with minor imperfections (clasp scuffing)
Bracelet material: Stainless steel
Case condition: Good
Movement accuracy: -2 to -7 seconds per day (timegrapher)

Posted at

Feb 13, 2026, 3:11 PM

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Omega Seamaster 300 Professional 41mm $3735

Omega - SEAMASTER 300 PROFESSIONAL · $3,735

a 41mm Omega Seamaster 300 Professional for sale

41mm: diameter

Posted at

Feb 13, 2026, 9:01 AM

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Omega Seamaster 300m Automatic 2253.80 36.25mm

Omega - 2253.80 · $1,950

This Omega Seamaster 300m Automatic has been the seller's daily driver for two years, having accompanied them on various activities and travels while maintaining reliable timekeeping.

Condition: Used with signs of wear
Year: 2006

Posted at

Feb 12, 2026, 7:30 PM

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Omega Seamaster 300m Peter Blake 41mm Quartz 2264.50

Omega - 2264.50 · $2,399

This Omega Seamaster 300m Peter Blake is a quartz-powered timepiece featuring a 41mm case and a 7" bracelet.

Condition: like new/fresh polish
Bracelet length: 7 inches

Posted at

Feb 12, 2026, 4:21 PM

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Omega Seamaster 300M Co-Axial 41mm 2220.80 Box and Card - $2,790

Omega - 2220.80 · $2,790

This Omega Seamaster 300M Co-Axial is a 41mm automatic watch featuring an co-axial cal 2500 movement.

Condition: Very good condition, minimal marks/hairlines
Movement: co-axial cal 2500
Bracelet size: fits up to 7-7.25 inch wrists depending on wrist shape
Water resistance: not specified

Posted at

Feb 11, 2026, 8:59 PM

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Omega Seamaster 300 Heritage Co-Axial Chronometer 234.30.41.21.01.001 Complete Set

Omega - 234.30.41.21.01.001 · $6,495

The Omega Seamaster 300 Heritage has a black dial with rich, glossy depth and broad arrow hands, paired with a steel case and matching bracelet for a solid, balanced look.

Condition: Excellent
Included Accessories: outer box, inner box, operating instructions, extra strap, card holder, warranty card, master chronometer card and pictograms card
Shipping Method: free overnight CONUS insured shipping

Posted at

Feb 11, 2026, 2:56 PM

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Omega Seamaster 300M Co-Axial 2220.80 B&P 41mm- $2,790

Omega - 2220.80 · $2,790

The Omega Seamaster 300M Co-Axial is a 41mm automatic watch featuring an co-axial cal 2500 movement, steel case, and original Omega steel bracelet.

Condition: 8.7/10 - minimal marks and hairlines on case, caseback, and bracelet
Movement: cal 2500
Bracelet size: up to 7-7.25 inch wrists depending on wrist shape
Shipping method: Fedex Priority Shipping

Posted at

Feb 9, 2026, 8:42 PM

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Omega Seamaster 300m Chronograph 44mm 212.30.44.50.03.001

Omega - 212.30.44.50.03.001 · $3,375

This Omega Seamaster 300m Chronograph is a 44mm automatic watch, featuring a fresh polish and 7.25" bracelet.

Condition: Fresh polish
Bracelet length: 7.25"
Payment methods: Zelle, Venmo, or Western Union

Posted at

Feb 9, 2026, 7:07 PM

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Omega Seamaster 300 Heritage

Omega - Seamaster 300 Heritage · $3,500

A one-owner Omega Seamaster 300 Heritage, purchased from the Omega Beverly Center in 2021. The watch has never been polished and is in excellent condition.

Condition: like new
Owner history: 1 owner
Purchase date: 9/3/21
Original purchase location: Omega Beverly Center

Posted at

Feb 8, 2026, 4:13 PM

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