Omega Railmaster Seamaster Aqua Terra 150M Co-Axial 42.2 Railmaster Chronograph / China Explorer Yellow

Reference 2812.54.82

About this watch

The Omega Seamaster Aqua Terra 150M Co-Axial 42.2 Railmaster Chronograph / China Explorer Yellow is a limited-edition masterpiece that marries bold design with robust functionality. Crafted from high-quality stainless steel, this watch boasts a stunning black dial with arrow-shaped hands and mixed indexes. The sapphire crystal glass ensures durability and scratch resistance, while the closed case back maintains a sleek profile. At its heart lies the Omega caliber 3313 movement, renowned for its precision and reliability. Boasting a power reserve of 52 hours and a frequency of 28,800 vibrations per hour, it's designed for performance and longevity. The chronograph function offers smooth operation and precise timing, making it an excellent tool for those who need accuracy in their measurements. With a water resistance rating of 150 meters, this watch is perfect for water sports enthusiasts and everyday wearers alike. The stainless steel case and sapphire crystal ensure that the watch will remain in excellent condition even after years of use. This limited-edition piece holds its value exceptionally well, thanks to its exclusivity, craftsmanship, and performance.

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Key Features

Omega caliber 3313 automatic movement
Chronograph function with column wheel mechanism
Sapphire crystal glass for durability and scratch resistance
Water resistance of 150 meters
Limited edition of 351 units
Stainless steel case and bracelet
Adjustable stainless steel bracelet

Specifications

Brand

Omega

Family

Railmaster

Model

Seamaster Aqua Terra 150M Co-Axial 42.2 Railmaster Chronograph / China Explorer Yellow

Reference

2812.54.82

Movement

3313

Movement Features

Hours, Minutes, Small Seconds
Date
Chronograph, Column wheel
Co-Axial Escapement

Case

Stainless Steel 42.2mm

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