Omega Railmaster Seamaster Aqua Terra 150M Automatic 42.2 Railmaster Chronograph / Black Alligator

Reference 2812.52.31

Omega Seamaster Aqua Terra 150M Automatic 42.2 Railmaster Chronograph / Black Alligator

About this watch

The Omega Seamaster Aqua Terra 150M Automatic 42.2 Railmaster Chronograph is a masterpiece of elegance and functionality combined. Its sleek design and robust features cater to both the adventurous spirit and the connoisseur's taste. The black alligator leather strap adds sophistication, while the stainless steel case exudes durability. The round shape and 42.20 mm diameter give it a commanding presence on the wrist. The dial shines with mixed indexes and arrow-shaped hands against a striking black background. The chronograph feature allows for precision timing, making it a joy to use. With a column wheel mechanism, this self-winding movement boasts a frequency of 28,800 vibrations per hour and a power reserve of 55 hours, ensuring accuracy and reliability. The 150m water resistance rating means it's built to handle any situation. This watch is not just a statement piece but also a companion that's perfect for both casual day outs and formal evening events.

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Key Features

Stainless Steel Case
Sapphire Crystal
Omega Caliber 3205 Movement
150m Water Resistance
Chronograph Function
Column Wheel Mechanism
Black Alligator Leather Strap

Specifications

Brand

Omega

Family

Railmaster

Model

Seamaster Aqua Terra 150M Automatic 42.2 Railmaster Chronograph / Black Alligator

Reference

2812.52.31

Movement

3205

Movement Features

Hours, Minutes, Small Seconds
Chronograph, Column wheel

Case

Stainless Steel 42.2mm

Dial Color

Black

Crystal

Sapphire

Water Resistance

150

Current Listings

2000s Omega Seamaster Aqua Terra Railmaster 36mm ref. 2504.52

Omega - 2504.52 · $5,700

A 2000s Omega Seamaster Aqua Terra Railmaster 36mm with a stainless steel case and black dial. The watch features an automatic movement, Super-LumiNova lume, and a sapphire crystal.

Condition: Normal wear in the form of a few hairlines, faint scratches, and tiny nicks throughout, some micro patina on hands
Case Material: Stainless steel
Diameter: 36 mm
Lug Width: 19 mm

Posted at

Nov 2, 2025, 4:51 PM

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Omega Railmaster

Omega - 220.10.40.20.01.001 · $3,100

This Omega Seamaster Railmaster is a recently discontinued model that includes full kit and undated warranty card, sold with original box.

Condition: Pre-owned with small mark near 1 o'clock on case
Case size: 40mm diameter

Posted at

Nov 1, 2025, 3:15 PM

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Omega Railmaster 2503.52 (39.2mm) Full Set -Reduced

Omega - 2503.52 · $3,050

This Omega Railmaster is a 39.2mm watch with Cal. 2403 movement and 44-hour power reserve.

Condition: great condition
Case Diameter: 39.2mm
Thickness: 11mm
Lug To Lug Length: 47mm

Posted at

Oct 31, 2025, 11:35 AM

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Omega Seamaster Railmaster 39mm 2503.52 $2,600 2403 Movement

Omega - 2503.52 · $2,600

This Omega Seamaster Railmaster is a 39mm model with the 2403 movement.

Movement: 2403

Posted at

Oct 31, 2025, 5:25 AM

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🔥OMEGA RAILMASTER 235.10.38.20.06.001 38MM 2025 COMPLETE🔥

Posted at

Oct 29, 2025, 9:14 PM

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Omega Railmaster

Posted at

Oct 29, 2025, 1:51 PM

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2025 Omega AT Railmaster Grey on Bracelet - Full Kit

Omega - 235.10.38.20.06.001 · $5,299

Up for sale is Omega's newest version of the Railmaster in grey, featuring an in-house automatic Co-Axial Master Chronometer Calibre 8806 with a 55-hr power reserve.

Condition: near-mint
Case Dimension: 38 mm diameter
Lug Width: 19 mm
Thickness: 12.4 mm

Posted at

Oct 26, 2025, 5:41 PM

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