Omega Speedmaster Professional Pre-owned unlike its Omega counterparts which

unlike its Omega counterparts which restricted the rotation of the oscillating weight to 160°--rather than the standard 360° as in most other automatic calibers--the design of the Caliber 138C was able to accommodate an increased revolution of the oscillating weight to 315°

With its unmistakable square-case shape

the watch is a classic mid-century design that still resonates with the tastes of today

and reset--are engaged by a single pusher

Due to the movement’s construction

Omega Speedmaster Professional Pre-owned unlike its Omega counterparts whichWhy We Love It While we are never short on words for our love of the formidable chronograph that was party to some of mankind's most incredible 20th century achievements, let's just take a moment to look at the condition on this one. The bezel is beautifully faded and in excellent shape, the case has the honest wear of a watch that was used for its intended purpose, and the dial and its tritium lume remain flawless. The inherent beauty in that can