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The SÖNER Momentum Hoover is a rectangular automatic watch: a 35 x 45 mm case in polished 316L stainless steel, 10 mm thick, with a white dial, a Japanese Miyota 9039 automatic movement with a 42-hour power reserve, sapphire crystal with anti-reflective coating, Super-LumiNova on hands and indices, and 10 ATM water resistance. Its proportions sit closer to square than SÖNER's slimmer models, and it comes with a 10-year warranty.
The Momentum Hoover by SÖNER Watches stands apart in a world of conformity. This rectangular watch, defined by its polished 316L stainless steel case, draws on the enduring spirit of Art Deco. Clean lines and geometric precision frame a white dial, where understated indices and hands reflect a commitment to clarity and restraint. The finish is immaculate, each surface catching the light with a quiet confidence that speaks to meticulous Swedish design and a tradition of excellence.
At its heart, a Miyota 9039 automatic movement ensures reliable timekeeping, offering a 42-hour power reserve for those who value both form and function. Sapphire glass with an anti-reflective coating protects the dial, while Super-Luminova treatment on the hands and indices provides legibility in any light. The watch is engineered for daily life, with 10 ATM water resistance and a robust, screw-down case back, making it suitable for city moments, swimming and scuba diving alike.
Versatility defines the Momentum Hoover. It is available with a 22 mm genuine leather strap in a range of refined tones or a stainless steel mesh bracelet, each option offering a distinct character. The rectangular silhouette sits comfortably on the wrist, its proportions - 35 by 45 millimetres, 10 millimetres thick - balancing presence with subtlety. Every detail, from the engraved buckle to the arched case back, is considered for long-term enjoyment.
This is a watch for those who appreciate heritage, yet seek something quietly disruptive. A classic rectangular watch, crafted to endure, it is as fitting for formal occasions as it is for everyday wear. With a decade-long warranty and a legacy rooted in family and craftsmanship, the Momentum Hoover is more than a timepiece. It is a statement of intent, designed to be noticed and remembered.
The Legacy is an affordable dress watch built to one set of specifications. These are the six that matter most when you choose.
35 × 45 mm and 10 mm thick, with an arched screw-in case back that follows the wrist.
316L stainless steel, highly corrosion resistant and used in medical instruments.
Sapphire with five layers of anti-reflective coating.
Japanese Miyota quartz, with a battery life of about 3 years.
5 ATM (50 m), suitable for swimming and snorkelling.
Swiss C3 Super-LumiNova on the hands and markers.

Rectangular watches are not a variation of round design. They are a different design philosophy.
This guide explores the history, geometry, engineering complexity, movement considerations, sizing logic, price tiers, and cultural significance of rectangular watchmaking - structured as a permanent educational resource rather than a buying article.
Explore the full framework and master the category.
Guide to Rectangular WatchesAffordable Dress Watches by SÖNER
An affordable dress watch should look right with a suit, sit flat under a shirt cuff and keep accurate time without asking much of you. The SÖNER Legacy does all three. Every model has a rectangular 35 × 45 mm case in 316L stainless steel, 10 mm thick, with sapphire crystal and a Japanese Miyota quartz movement that runs for about 3 years on one battery.
A good affordable dress watch gets the proportions right and uses real materials, not just a low price. That means a clean dial, a slim case, simple hands, sapphire crystal and a leather strap or fine bracelet. Rectangular dress watches have been part of formal dress since Cartier introduced the tank form in 1917, because the shape follows the line of the cuff. The Legacy keeps that proportion in a 35 × 45 mm case that is easy to read across a room.
It should be, and the Legacy is. Sapphire crystal with five layers of anti-reflective coating, Swiss C3 Super-LumiNova on the hands and markers, 5 ATM water resistance and a 10-year international warranty are features usually found much higher up the price ladder. Choose a 22 mm genuine leather strap or a steel mesh bracelet, and switch between them for the office or the weekend.
Quartz is the easier choice if you want a dress watch you can pick up and wear without setting, and that is what the Legacy offers. If you prefer a mechanical movement, see our Momentum dress watches for men, powered by the Japanese Miyota 9039 automatic. For a deeper look at styles and sizes, read our guide to men’s dress watches.