
Exciting – Tissot Seastar Chronograph Lemania Cal. 1281 (1968)
| Size | 34 mm |
| Movement | Lemania Cal. 1281 |
| Condition | Overall extremely good, bracelet is not original |
| Lug Width | 18mm |
| Owned | Yes |
In the world of vintage timepieces, the Tissot Seastar Chronograph Lemania Cal. 1281, stands as a remarkable blend of heritage, craftsmanship, and mechanical ingenuity. Dated to 1968, this reverse panda chronograph offers a unique snapshot of horological history, tracing its lineage back to one of the most iconic calibers ever produced. These where produced right through the 1970’s as well under slightly different reference numbers. You don’t see these very often!
A Classic Design in a Compact Form
With a case diameter of 34mm, the Tissot Seastar Chronograph is modest size, by today’s standards, makes it an ideal choice for vintage enthusiasts who appreciate timeless design over bold statements. The case, with its clean lines and polished finish, provides a perfect canvas for the dial’s intricate details.
This reference 40502-5x:



The Powerhouse Within: Lemania Cal. 1281
At the heart of this timepiece is the Lemania Calibre 1281, a movement that holds a distinguished place in horological lore. The 1281 shares its DNA with the Omega Calibre 321, a movement immortalized as the driving force behind the first Omega Speedmaster Moonwatch. Eventually evolving into the Calibre 861, this lineage underscores the technical sophistication and reliability that defines the Lemania movement family.
The 1281’s chronograph functionality was cutting-edge for its time, featuring precise timekeeping and robust construction. Collectors and enthusiasts often regard it as one of the finest examples of mid-century watchmaking.


A Testament to Collaboration
The Tissot Seastar Chronograph reflects the unique collaboration between Tissot and its sibling brand Omega, both part of the Swatch Group. During the 1960s, Tissot and Omega frequently shared technology and expertise. Resulting in watches that combined Tissot’s accessible approach with Omega’s pioneering spirit.
The inclusion of the Lemania movement demonstrates this synergy, as Lemania was a vital supplier to both brands. For Tissot, the use of such a prestigious movement elevated the Seastar Chronograph to a new level of technical and aesthetic refinement.

Why the Tissot Seastar Chronograph Matters Today
In a world dominated by oversized cases and modern materials, the Tissot Seastar Chronograph Lemania Cal. 1281 is a reminder of the enduring appeal of classic design and meticulous craftsmanship. Its 34mm case, powerful movement, and historical relevance make it a standout choice for collectors seeking a piece with character and story.
Whether you’re a seasoned collector or a newcomer to vintage watches, this chronograph represents an accessible entry point into the world of historic timepieces. Its connection to the legendary Lemania movements ensures it remains not only a conversation starter but also a reliable companion for years to come.


