Omega Seamaster Cosmic 135.016 Tritium — Used vintage watch

Authentic 1960s mechanical watch with a gray tritium dial

The Omega Seamaster Cosmic reference 135.016 embodies the essence of 1960s vintage watchmaking, with its original light gray tritium dial that has developed a natural golden patina over the decades. This Swiss-made timepiece combines the authenticity of a hand-wound movement with the timeless aesthetic of a stainless steel case steeped in history. An exceptional piece for discerning collectors seeking genuine vintage character.

📌 Unique, pre-owned item • Open for bidding

Omega Seamaster Cosmic ref. 135.016 – Original tritium dial (1960s)

A very attractive vintage Omega Seamaster Cosmic, reference 135.016 from the 1960s, with a magnificent original matte light gray tritium dial, exhibiting a subtle warm tone. An Omega full of character, with a particularly appealing aged tritium finish and a hand-wound movement.

Key details

• Brand: Omega
• Model: Seamaster Cosmic
• Reference: 135.016
• Period: 1960s
• Case: Stainless steel
• Dial: Original matte light gray tritium dial with a slightly warm tone
• Luminescent: Original tritium aging with a warm golden/yellow patina
• Time markers: markers applied with black accents on 12, 3, 6 and 9
• Mechanism: Manual winding
• Crown: Original Omega-signed crown
• Bracelet: New black leather bracelet
• Accessories: red vintage presentation box
• Condition: Good vintage condition with signs of wear consistent with its age

The original dial is undoubtedly the highlight of this watch. Its matte light gray surface has a subtle warm tone that can appear different depending on the light. The crisp white "Omega" and "Seamaster Cosmic" inscriptions contrast beautifully with the dial.

The original tritium hour markers have developed an attractive warm, golden-yellow patina over the decades. Combined with the slightly aged luminous material of the white hands, this gives the watch a particularly charming and authentic vintage look. The applied markers at 12, 3, 6, and 9 o'clock feature contrasting black accents, adding further character to the dial.

The stainless steel case remains in generally good condition considering its age. As expected for a vintage watch of this period, the case shows scratches, small marks, scuffs, and other signs of wear consistent with its age. These are visible in the photographs and contribute to the watch's vintage character.

The watch retains its original Omega-signed crown and is fitted with a new black leather strap. A vintage red presentation box is also included.

The hand-wound movement functions as one would reasonably expect from a vintage mechanical watch of this age.

A beautiful vintage Omega Seamaster Cosmic watch, with an unusual original light grey dial, warm tone and naturally aged tritium which form the main assets of this example.