My Store

Omega Seamaster Railmaster Omega Co-Axial Master Chronometer Watch - 40 mm Steel Case - Vertically Brushed Grey Dial - Brown Leather Nato Strap - 220.12.40.20.06.001

Against the wrist, the 40mm stainless steel case of this Seamaster Railmaster delivers a perfectly balanced presence—substantial enough to command attention yet refined enough for daily wear. The vertically brushed grey dial catches light with subtle directional texture, creating depth that shifts with wrist movement throughout the day. Reference 220.12.40.20.06.001 represents Omega's modern interpretation of the antimagnetic professional watch, originally designed for railway workers and scientists exposed to magnetic fields. The brown leather NATO strap adds unexpected warmth to the industrial aesthetic, softening the utilitarian steel case with rich, supple leather that develops character with wear.

Key Features & Specifications

  • Master Chronometer Movement — METAS-certified Co-Axial caliber resists magnetic fields up to 15,000 gauss, exceeding industry standards by more than ten times
  • 40mm Steel Case Architecture — Brushed stainless steel construction with integrated lugs and screwed-down caseback, water resistant to 150 meters
  • Vertically Brushed Grey Dial — Industrial-inspired sunray finish with applied hour markers and luminous hands optimized for legibility in low-light conditions
  • Brown Leather NATO Strap — Single-pass leather construction with brushed steel hardware, combining military practicality with luxury materials
  • Sapphire Crystal Protection — Anti-reflective treatment on both sides provides crystal-clear dial visibility and superior scratch resistance
  • Railmaster Heritage — Modern continuation of Omega's 1957 antimagnetic professional line, engineered for environments with strong electromagnetic interference

About This Timepiece

  • Bracelet Sizing — Complimentary bracelet sizing included with every purchase. Contact us with your wrist measurement and we'll have it ready before shipping.
  • Authenticity Guarantee — Every watch is thoroughly inspected and authenticated by our team of certified horologists. 100% authentic, guaranteed.
  • Warranty — New model watches include a 1-year mechanical warranty covering manufacturing defects. All watches include our confidence guarantee.
  • Shipping — Free insured overnight FedEx shipping on all orders. Fully insured, signature required, discreet packaging.

Contact Us

Questions about this timepiece? Our specialists are available to help.
Phone/Text: (310) 363-0481
Email: sales@jestikcollection.com

Jestik Collection is an independent luxury watch dealer and is not affiliated with Rolex S.A., Rolex USA, Patek Philippe, Audemars Piguet, Cartier, Omega, Tudor, or any brands listed.

Filter Similar Watches

Brand, material, size, condition, and stock are pulled from product data when available.

Clear