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The Sea-Gull ST8610 is a 9.4mm ultra-thin automatic tourbillon that draws inspiration from the ancient Chinese guqin — an instrument of scholars and poets. Discreetly distinguished, it speaks to collectors who value cultural depth, horological mastery, and minimalist refinement in equal measure.
- Movement: Automatic tourbillon, ST8610
- Case Thickness: 9.4mm (ultra-thin)
- Complication: Tourbillon
- Motif: Ancient guqin (Chinese zither) artistry
- Crystal: Synthetic Sapphire
- Style: Minimalist collector's timepiece
- Origin: China
Specifications
General Information & Packaging
- Origin: Mainland China
- Item Type: Mechanical Wristwatch
- ModelNumber:818.12.8850/818.12.8851
- Warranty: 3 Years
- Net Weight: 70g
- Packing Box: Carton
Movement
- Movement: ST8610
- Number of Jewels: 34
- Movement Frequency: 28800
- Winding Mode: Automatic Winding
Case & Strap
- Case Material: 316L Stainless Steel
- Crystal Material: Synthetic Sapphire
- Case Thickness: Approx. 9.4mm
- Case Diameter: Approx. 42mm
- Case Shape: Round
- Strap Material: Leather
- Clasp: Pin Buckle
- Strap Length: Approx. 22cm
- Strap Width: Approx. 21mm
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Yes, the warranty duration is specified in the product details of each watch.
If you experience any issues with your watch after purchase, please take a video or photos of the problem and send them to info@seagullwatch.hk. We will provide further guidance on how to resolve the issue.
We offer free shipping on all orders, regardless of the purchase value.

Brand storytelling and emotional connection.
Experience the soul of Eastern horology with the Sea-Gull Ultra-Thin Tourbillon 8850. Inspired by the ancient Guqin zither, the dial features a mesmerizing crackled texture that echoes millennia of cultural resonance. At its heart lies a breathtaking flying tourbillon, defying gravity with every rotation. This isn’t just a timepiece; it’s a wearable work of art that bridges the gap between centuries-old tradition and modern engineering.

Converting tech-savvy watch enthusiasts and collectors.
Redefine what’s possible with China’s thinnest self-winding tourbillon. Powered by the in-house ST8610 movement—measuring a mere 4.3mm—this 42mm masterpiece maintains an impossibly sleek 9.35mm profile. Despite its slim silhouette, it delivers a high-frequency 28,800 VPH beat and a robust 43-hour power reserve. Encased in 316L stainless steel with a scratch-resistant sapphire crystal, the 8850 offers high-complication luxury without the five-figure Swiss price tag.

Highlighting wearability and "Quiet Luxury" style.
Effortless elegance for the modern gentleman. The Sea-Gull 8850 is the definitive dress watch, designed to slide seamlessly under any shirt cuff with its ultra-thin 9.35mm case. Weighing only 70g and paired with a premium alligator leather strap, it provides unparalleled comfort from the boardroom to the gala. With the prestige of a flying tourbillon and the convenience of an automatic movement, it is the ultimate statement of sophisticated success.









