Chronoswiss

Sirius Medium

Reference Number :

CH-8923

Series : Heritage

Retail: $6,160

(As of: 04/2025)

This watch is not for sale, this page is just for reference purposes only. If you would like to purchase this watch, please contact Chronoswiss. If you are interested in selling this watch to us, you can contact us here.

Quick TakeDon't let the "Medium" tag fool you; this Sirius packs a stellar punch in its demure 34mm package. It’s like that quiet friend who surprises you with dazzling wit – the solid sterling silver dial doesn't just tell time, it sparkles with 18 tiny, perfectly set diamonds. Talk about understated bling! Inside, the automatic C. 281 purrs away at a smooth 28,800 A/h, a reliable engine keeping things ticking for nearly two days straight. The details are spot-on: that polished bezel with its satisfying knurled edge, the elegant "Feuille" hands (even the minute hand gets a special curve!), and the mix of polished and brushed steel. It’s a watch that whispers elegance rather than shouting, perfect for someone who appreciates fine mechanics and subtle luxury wrapped up with a calfskin strap that feels just right. It’s a timeless piece that proves good things definitely come in smaller, brilliantly executed packages.

DescriptionThe Chronoswiss Sirius Medium, reference CH-8923, utilizes a stainless steel case construction comprising 20 individual components. The case exhibits a diameter measuring 34 millimeters and a vertical height of 8.95 millimeters. A combination finishing technique is applied, resulting in surfaces that are partly polished and partly satin-finished, creating visual contrast and texture. Securing the case back is a screw-down design, featuring a satin finish and incorporating a sapphire crystal for viewing the internal mechanism. The bezel is a polished, screw-down type, distinguished by side knurling and a full thread engagement, ensuring a secure seal and adding a tactile element. Lug width is specified at 18 millimeters, accommodating the designated strap attachment. The overall design prioritizes a balance between classical proportions and detailed finishing characteristic of the brand's manufacturing philosophy. Water resistance is rated at 3 bar, equivalent to a depth of 30 meters, offering protection against incidental splashes or brief immersion but not suitable for swimming or diving activities.

Powering the timekeeping functions is the Caliber C. 281, an automatic movement. This self-winding mechanism operates at a frequency of 4 Hz, which corresponds to 28,800 alternations per hour (A/h), providing a smooth sweep for the seconds hand and contributing to timekeeping precision. The movement incorporates 21 jewels to minimize friction at critical points, enhancing longevity and operational efficiency. When fully wound, the Caliber C. 281 offers a power reserve of approximately 42 hours. The dial is fabricated from solid sterling silver (925 purity), finished with lacquer for protection and aesthetic appeal. It is further enhanced by the setting of 18 diamonds, possessing a total weight of 0.062 carats. These diamonds are specified with a color grade of TW (Top Wesselton) and a clarity grade of VVSI (Very, Very Slightly Included), indicating high quality. Time indication includes central hours, minutes, and seconds. A date complication is integrated via a window positioned at the 6 o'clock location. The hands are rhodium-plated for corrosion resistance and visual brightness. They feature a diamond-cut finish and are curved, with the minute hand specifically bent by hand to follow the dial contour. The hand shape is designated as "Feuille," characterized by a leaf-like form. The strap is constructed from calfskin leather, treated with an alligator embossing pattern for texture. Closure is achieved through either a traditional pin buckle or an optional folding clasp, depending on the specific configuration.

GenderWomen

SignaturesChronoswiss

Country of OriginSwitzerland

Case Size34 mm

MovementAutomatic

CaliberC. 281

FunctionsHours, Minutes, Seconds, Date

Power Reserve42 Hours

Case MaterialsStainless Steel

Bezel MaterialsStainless Steel

Lug MaterialsStainless Steel

Case BackSapphire Crystal