Omega Railmaster Seamaster Aqua Terra 150M Co-Axial 39.2 Railmaster Yellow Gold / Bracelet

Reference 2103.52.00

Omega Seamaster Aqua Terra 150M Co-Axial 39.2 Railmaster Yellow Gold / Bracelet

About this watch

The Omega Seamaster Aqua Terra 150M Co-Axial 39.2 Railmaster Yellow Gold is a masterpiece of luxury timepieces, marrying precision with style. At its heart lies the Omega Caliber 2403, an automatic movement designed for accuracy and reliability. The watch features a Co-Axial escapement, reducing friction between moving parts and minimizing the need for frequent servicing. Its round shape and luxurious yellow gold finish exude sophistication, while the black dial offers both legibility and style. With a water resistance of 150 meters and sapphire glass, this watch is built for action yet durable. The Omega Seamaster Aqua Terra 150M is a versatile timepiece that adapts to your style, whether dressing up or keeping it casual. It's an investment in quality, heritage, and prestige, telling a story of innovation, craftsmanship, and beauty.

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Key Features

Omega Caliber 2403 automatic movement
Co-Axial escapement for accuracy and reliability
Yellow gold case with luxurious finish
Black dial with mixed indexes and arrow hands
Sapphire glass for scratch resistance
150M water resistance for durability
Open case back for visibility

Specifications

Brand

Omega

Family

Railmaster

Model

Seamaster Aqua Terra 150M Co-Axial 39.2 Railmaster Yellow Gold / Bracelet

Reference

2103.52.00

Movement

2403

Movement Features

Hours, Minutes, Seconds
Co-Axial Escapement, Chronometer

Case

Yellow Gold 39.2mm

Dial Color

Black

Crystal

Sapphire

Water Resistance

150

Current Listings

Omega Railmaster 2503.52 (39.2mm) Full Set

Omega - 2503.52 · $3,150

39.2mm Railmaster with Cal. 2403 movement and 44HRs power reserve.

Condition: Great condition, no service history
Case Diameter: 39.2mm
Thickness: 11mm
Lug To Lug: 47mm

Posted at

Oct 24, 2025, 9:53 AM

Active

View listing on r/WatchExchange

Omega Railmaster 36mm 2804.52.37 | serviced (Original Box & Papers)

Omega - 2804.52.37 · $5,301

The Omega Railmaster is an iconic watch with a no-nonsense dial design that has remained largely unchanged since 1957.

Condition: recently serviced
Case size: 36mm
Dial type: 3-6-9

Posted at

Oct 23, 2025, 10:17 AM

Active

View listing on r/WatchExchange

Omega Seamaster Railmaster 40 mm, steel on steel - 2,599 USD

Omega - 220.10.40.20.06.001 · $2,599

A 40mm steel Omega Seamaster Railmaster, with a METAS-certified movement and 15 Bar water resistance.

Condition: Mint – Worn Twice
Case Size: 40mm diameter
Lug To Lug: 47mm
Thickness: 12.7mm

Posted at

Oct 21, 2025, 3:34 AM

Active

View listing on r/WatchExchange