Watch

Tudor Launches Compact Black Bay Chrono 39 'Bumblebee' Edition

By Jun 03, 2026
Read time3 min

Tudor's Black Bay Chrono series, a distinctive blend of diving functionality and racing aesthetics, has introduced a new, more ergonomic iteration: the Black Bay Chrono 39 'Bumblebee'. This latest release marks a significant evolution from the original 41mm model, addressing consumer demand for a more compact and comfortable timepiece. It joins other bold offerings like the 'Pink' and 'Flamingo' editions within the brand's 'Daring Watches' collection, signaling Tudor's continued exploration of vibrant designs and refined proportions. While maintaining its robust technical specifications, the 'Bumblebee' variant promises an enhanced on-wrist experience, making it a compelling choice for enthusiasts seeking both performance and style in a smaller package.

Introducing the Tudor Black Bay Chrono 39 'Bumblebee'

Today, Tudor officially launched the Black Bay Chrono 39 'Bumblebee', a notable addition to its renowned Black Bay family. This new model, bearing the reference 79310N, represents a strategic downsizing from its 41mm predecessors, aligning with the trend set by popular models like the Black Bay 58. The previous iterations, measuring 41mm in diameter, 14.2mm in height, and 49.9mm lug-to-lug, were recognized for their sporty appeal and impressive 200m water resistance, but some found them sizable. The new 'Bumblebee' dramatically reduces these dimensions to a 39mm diameter, a svelte 13.1mm thickness, and a 47mm lug-to-lug measurement, promising a significantly more comfortable fit on various wrist sizes. Visually, the watch maintains much of its established character. It features a fixed bezel with an anodized aluminum insert and a tachymeter scale, complemented by a domed sapphire crystal. Minor aesthetic refinements include a more traditionally shaped crown and a subtly re-domed caseback, which collectively contribute to a thinner appearance of the case flanks. The striking matte yellow dial, accented by black sub-counters, hands, and applied markers, ensures high legibility and a distinctive look. All luminous elements are treated with white Super-LumiNova, and the iconic snowflake hour hand remains a prominent feature. Powering this vibrant timepiece is the Calibre MT5813, an automatic, COSC-certified chronograph movement based on the Breitling B01 architecture. This robust movement operates at 4Hz, offers a substantial 70-hour power reserve, and boasts a silicon balance spring for enhanced precision. Tudor guarantees an accuracy of -2/+4 seconds per day for the assembled watch. Completing the package is a three-link stainless steel bracelet, featuring polished and satin-brushed finishes, and equipped with Tudor's convenient T-Fit micro-adjustment system for optimal comfort. The 'Bumblebee' is priced at EUR 6,200 or CHF 5,500 and, while not a limited edition, its status within the 'Daring Watches' collection suggests it might be less readily available than other core models.

The release of the Tudor Black Bay Chrono 39 'Bumblebee' is a clear indication of the watch industry's responsiveness to evolving consumer preferences. The move towards more compact case sizes, without compromising on functionality or design integrity, is a welcome development. This particular model, with its audacious yellow dial, also showcases a willingness to push aesthetic boundaries within a classic framework. It serves as a reminder that innovation isn't solely about new complications, but also about refining wearability and offering fresh, captivating designs that resonate with a diverse audience. For collectors and enthusiasts, it offers a compelling blend of heritage, performance, and a touch of daring contemporary style.

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