Longines Ultra-Chron, Ref. 7951-2, Cal. 431, Men’s Automatic Vintage Watch

Vintage Longines Ultra-Chron Dress Vintage Watch from 1961 featuring the high-frequency Caliber 431 automatic movement and elegant crosshair dial, a timeless Swiss collectible for sale.

Longines Ultra-Chron 1961 — First impression - 7951-2

The Longines Ultra-Chron reference 7951-2 from 1961 represents a milestone in Swiss horology as one of the earliest mass-produced high-beat wristwatches. Its 37 mm stainless steel case houses the legendary Caliber 431 running at 36,000 vibrations per hour, offering exceptional precision for the era. The silvered dial with crosshair design, applied square hour markers, and framed date window conveys understated elegance and technical sophistication that made Ultra-Chron a flagship line of Longines in the 1960s.

Longines Ultra-Chron - Crosshair Silvered Dial

The dial is a refined silver tone with a crosshair motif adding symmetry and depth. Applied square hour markers with black inserts ensure excellent legibility, while the framed date window at 3 o’clock gives the watch a practical everyday function. Discreet patina enhances the vintage charm without compromising readability.

Ultra-Chron 7951-2 - Hands

This model is equipped with dauphine-style hour and minute hands with black inlays for strong contrast against the dial. The central seconds hand is thin and elegant, sweeping smoothly thanks to the high-frequency movement.

Longines Ultra-Chron 7951-2 - Polished Stainless Steel Case

The stainless steel case measures 37 mm, a generous size for the early 1960s, giving the watch strong wrist presence. The thin polished bezel and straight lugs maintain a classic, timeless profile that suits formal and casual attire alike.

Ultra-Chron 7951-2 - Crown

The signed crown with the Longines logo adds a mark of authenticity and is easy to operate for winding and quickset date adjustment.

Longines Ultra-Chron Leather Strap

The watch is paired with a black leather strap that complements the dial’s versatility and reinforces its classic dress watch appeal. The strap is a later replacement but suits the watch perfectly.

Longines Ultra-Chron 1961 — High-Beat Automatic Caliber 431

At the heart of this timepiece beats the renowned Longines Caliber 431, a high-frequency (36,000 bph) automatic movement that set new accuracy standards during the 1960s. Its technical sophistication and smooth seconds sweep made Ultra-Chron watches a serious competitor to chronometer-grade timepieces of the period. Swiss-made and robust, this movement remains highly serviceable and is celebrated among collectors.

Heritage of the Longines Ultra-Chron in the 1960s

The Ultra-Chron line marked Longines’ response to the growing demand for precision wristwatches in the 1960s, preceding the quartz revolution. These models embodied Swiss watchmaking excellence and showcased Longines’ commitment to technological advancement. Their clean design and high-beat calibers made them popular among professionals seeking both reliability and style.

Longines Ultra-Chron — 12-Month Warranty, Worldwide Shipping

This piece has been fully serviced, retains all original components, and is in excellent working condition. It is covered by a 12-month mechanical warranty for your peace of mind. Worldwide shipping is available, allowing collectors everywhere to acquire this remarkable high-beat vintage watch. Discover more exceptional examples in our Longines vintage watches collection including rare Ultra-Chron models or explore our curated selection of automatic vintage watches from the 1960s.