The story behind this Tudor Black Bay Chrono 39
Tudor has always cultivated a spirit of technical independence. With the reference 79310N, the brand is shaking up its classic codes to offer a bold take on the sports chronograph. This timepiece draws its aesthetic inspiration from the brand’s archives whilst asserting a confident modernity. It has been designed to meet the expectations of enthusiasts who were calling for a more compact and colourful alternative to the usual standards. The choice of a bright yellow dial marks a clear break with Tudor’s historic minimalism and reflects a desire to offer a watch with real character. Every detail of this model pays homage to the watchmaking tradition whilst incorporating cutting-edge technologies. Its position within the Black Bay Chrono range allows Tudor to demonstrate its mastery of timepieces whilst exploring new colour palettes.
Case, calibre and strap of this Tudor Black Bay Chrono 39
The 39 mm stainless steel case features proportions designed for everyday comfort. The structure alternates between satin-finished and polished surfaces with surgical precision. A fixed bezel in black anodised aluminium frames the yellow dial, which features two black sub-dials. The MT5813 calibre powers this watch at a frequency of 28,800 vibrations per hour and offers a power reserve of 70 hours. It is a self-winding in-house movement fitted with a column wheel and a vertical clutch. Water resistance is guaranteed to 200 metres. The watch is fitted with a steel bracelet featuring the T-fit clasp, allowing for quick adjustment without the need for tools. The domed sapphire crystal ensures clear readability whilst effectively protecting the dial from impacts.
Why this Tudor watch
This 39 mm version of the Black Bay Chrono is a rarity on the current market. Its colourful design appeals to collectors seeking a timepiece that breaks the mould whilst retaining the mechanical reliability of a renowned manufacturer. At The Swiss Collector, we offer this watch in a sought-after configuration that combines the practicality of a chronograph with a summery, dynamic aesthetic. The rarity of this yellow version on the second-hand market makes it an opportunity to acquire a watch that combines technical excellence with visual uniqueness. It is aimed at mechanical watch enthusiasts who wish to wear a timepiece that turns heads whilst meeting Tudor’s quality standards.
Contents and condition
This Tudor is supplied as a Full Set, including its original box and official documentation. The watch is in very good condition. The surfaces show minimal signs of natural wear, reflecting the watch’s history without compromising its aesthetic integrity. The bracelet links are secure and the case retains its sharp edges. This level of condition allows you to enjoy the watch immediately whilst preserving the value of the complete set. Polishing can be carried out on request if you wish to restore the metal to its original lustre. The full set of documentation confirms the traceability of this piece, which was purchased in 2026.
Warranty and delivery
The Swiss Collector guarantees the authenticity of this piece. This watch is covered by the Tudor manufacturer’s warranty, which runs until 2031. You have the right to return the item within 10 days in accordance with our terms and conditions. As Switzerland’s leading second-hand retailer, backed by the largest network of boutiques, we offer online booking for a fitting and in-store collection, or fully secure international delivery.
* Very good condition – watch has been worn. Slight signs of external wear. Case and strap in excellent overall condition.
