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 Black / Orange Diver 210.32.42.20.01.006 ( new / 2025 / box and papers )

Omega - 210.32.42.20.01.006 · $5,995

This Omega Seamaster 300 is a brand new 42mm stainless steel diver's watch with a black and orange dial, featuring an 8806 Master Co-Axial movement.

Condition: Brand new
Case size: 42mm diameter
Movement: Master Co-Axial Movement (8806)
Material: stainless steel

Posted at

May 5, 2026, 11:14 AM

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OMEGA Seamaster 300M Professional No-Date 🔥Excellent 2025 Full Kit

OMEGA - 210.32.42.20.01.003 · $5,199

This Omega Seamaster 300M Professional No-Date is a new model that was launched last year, featuring a 42mm case and 300m water resistance.

Condition: Excellent
Case size: 42mm diameter
Water resistance: 300m

Posted at

May 3, 2026, 10:16 PM

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Uncle Seiko US1450 Bracelet (Omega Seamaster 300m)

· $85

This Uncle Seiko US1450 Bracelet for SMP 300 has a double button milled clasp and comes with all links, currently sized for a 17.5 cm wrist.

Material: Bracelet material not specified
Wrist size compatibility: 17.5 cm
Lug width: 20mm

Posted at

May 2, 2026, 6:43 PM

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Omega Seamaster 300m James Bond 60th Anniversary 210.30.42.20.03.002 Full Kit, 2025 $7300+ 🏷️

Omega - 210.30.42.20.03.002 · $7,300

This Omega Seamaster 300m is a quintessential Bond Watch celebrating its 60th anniversary, featuring modern specifications and cool design elements.

Condition: Basically mint with a small scratch on the clasp
Water Resistance: 300m
Power Reserve: 55 hours

Posted at

May 1, 2026, 9:22 PM

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Omega Seamaster 300M - ETNZ Special Edition - PRICED TO SELL! - $4,850 Shipped

Omega - 300M - ETNZ Special Edition · $4,850

A Omega Seamaster 300M in the ETNZ Special Edition.

Link: https://drive.google.com/file/d/1U4KeBBaVXhmzF2vIC_wezRddMbe586kK/view?usp=drivesdk

Posted at

May 1, 2026, 6:19 PM

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1970 Omega Seamaster 300 🔥 Rare This Complete 🔥 Must See Ref. 165.024

Omega - 165.024 · $7,000

A 1970 Omega Seamaster 300 with a rare pencil hand design, in excellent condition considering its age. The watch is beyond complete and comes with original purchase receipt, boxes, bracelet, and all paperwork.

Condition: Honest, unpolished, worn
Bracelet Width: 8"
Crystal Condition: marks
Crown Condition: decay

Posted at

May 1, 2026, 7:15 AM

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