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 300 233.30.41.21.01.001 - Full Kit

Omega - 300 233.30.41.21.01.001 · $4,000

The Omega Seamaster 300 is a high-end watch that features a 41mm case diameter and 300m water resistance.

Movement: Omega 8400 Co-Axial
Crystal: Sapphire
Water Resistance: 300m

Posted at

Oct 26, 2025, 2:43 PM

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Omega Seamaster 300m 212.30.41.61.01.001

Omega - 212.30.41.61.01.001 · $1,900

A Omega Seamaster 300m quartz movement watch with a 41mm case size and full size bracelet, produced in 2012.

Condition: good, some light scratches on the bracelet
Movement: quartz
Case size: 41mm
Bracelet type: full-size

Posted at

Oct 26, 2025, 2:38 PM

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Omega Seamaster 300 Full Steel Yellow Patina Very Rare Original Owner 1960s (Unpolished)

Omega - 165.024 · $9,300

A highly sought-after 1960s Omega Seamaster 300 Ref. 165.024, preserved in remarkable all-original and unpolished condition.

Condition: Unpolished, all-original condition with signs of wear consistent with careful use over time
Size: 41mm
Year: 1960s
Bakelite bezel status: intact and well-preserved

Posted at

Oct 26, 2025, 10:40 AM

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Omega Seamaster 300 M Black Dial Brand New 2025 Unworn Full Kit 210.30.42.20.01.010 - $5,795 obo Shipped CONUS

Omega - 210.30.42.20.01.010 · $5,795

This Omega Seamaster Diver 300M features a black wave dial and METAS-certified movement, with a stainless steel case and mesh bracelet.

Condition: New Unworn
Case size: 42mm
Water resistance: 300m / 1000ft depth rating
Movement caliber: Omega Caliber 8800 Co-Axial Master Chronometer

Posted at

Oct 25, 2025, 11:25 PM

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Omega Seamaster 300 Blue Near Mint Box & Cards AD Set Ref 234.30.41.21.03.001 - JUST $4250 SHIPPED!

Omega - 234.30.41.21.03.001 · $4,250

A classic Omega Seamaster 300 in a blue dial, with a 41mm stainless case and automatic cal 8912 movement.

Condition: Near Mint
Dial color: blue
Case size: 41mm diameter
Bracelet length: 7 inches (with extra links)

Posted at

Oct 25, 2025, 6:15 PM

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Forstner Bracelet | Omega Seamaster 300m (Current Wave Dial) $135

Omega - 300m · $135

For sale is an Omega Seamaster 300m with a current wave dial.

Diameter: 40mm

Posted at

Oct 24, 2025, 3:01 PM

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Omega Seamaster 300M Blue - $3950

Omega - 210.30.42.20.03.001 · $3,950

This Omega Seamaster Professional 300M features a blue dial and comes as a full kit, including original box, papers, and warranty card. The watch is in excellent shape and runs perfectly.

Condition: great condition with minor signs of wear on the clasp
Case size: 42mm diameter
Water resistance: 300m depth rating

Posted at

Oct 23, 2025, 12:47 AM

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