Sea-Gull watch with black leather strap and visible mechanical components on a white background

9.4mm Ultra-thin Automatic Tourbillon Watch 42mm

Sea-Gull

9.4mm Ultra-thin Automatic Tourbillon Watch 42mm

$4,999.00 USD

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Art.nr: 818.12.8850

Inspired by the Chinese treasure Guqin, SEA-GULL ultra-thin automatic tourbillon is powered by ST8610 movement, with 9.4mm case, sapphire crystal, 50m waterproof.

Color:White

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Seagull Windchaser Chronograph Mechanical Wristwatch

General Information & Packaging

Origin: Mainland China

Item Type: Mechanical Wristwatch

Model Number: 818.12.8850

Warranty: 3 Years

Net Weight: 70g

Packing Box: Carton

Movement

Movement: ST8610

Number of Jewels: 34

Movement Frequency: 28800

Reserve Hours: 43h

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

Case Back: Display Case Back

Strap Material: Crocodile Leather, with additional gray calf leather strap included

Clasp: Horseshoe Buckle

Strap Length: Approx. 22cm

Strap Width: Approx. 21mm

Features

Waterproof: 5 Bar

Features: Automatic Tourbillon

Sea-Gull Watch Proudly Presents

9.4mm Ultra-thin Automatic Tourbillon Watch 42mm

9.4mm Ultra-thin Automatic Tourbillon Watch 42mm

SEA-GULL Inspirations

Inspired by the aesthetic legacy of China’s Guqin “九霄环佩(Jiuxiao Huanpei)”, SEA-GULL’s master engineers conquered extreme miniaturization, energy efficiency, dynamic tourbillon display, and precision stability—culminating in a historic ultra-thin automatic tourbillon watch, at just 9.4mm thick.

The Heartbeat Of 9.4mm Ultra-thin Automatic Tourbillon Watch 42mm

Calibre ST8610

Powered by the in-house SEA-GULL ST8610 movement, this tourbillon features 34 jewels, vibrates at 28,800 vph, and delivers a 43-hour power reserve—marking a new milestone in SEA-GULL’s watchmaking excellence.

The ultra-slim profile is achieved through masterful engineering: the movement measures just 4.3mm in thickness, with the rotor refined to a mere 0.8mm. Despite incorporating automatic winding, the caliber remains 20% thinner than traditional manual-winding counterparts.

With a precisely optimized clutch angle and transmission ratio, the automatic winding system ensures efficient, smooth, and stable operation—blending mathematical precision with mechanical artistry in true SEA-GULL fashion.

9.4mm Ultra-thin Automatic Tourbillon Watch 42mm

Dial Texture

Micro-engraved cracks recreate the aged lacquer effect of ancient guqins, honoring the Eastern aesthetic of “millennial texture”.

Design Inspiration of 9.4mm Ultra-thin Automatic Tourbillon Watch 42mm

Applied Indexes

Inspired by the form of the Tang-dynasty Guqin “Jiuxiao Huanpei” ( housed in the Palace Museum), indexes feature a curved 3D design for depth and texture.

9.4mm Ultra-thin Automatic Tourbillon Watch 42mm

Polished Hands

Hour and minute hands are finely sanded and polished on both sides, reflecting light with subtle gradation.

Vibrant SEA-GULL Styles

Each SEA-GULL Ultra-Thin Automatic Tourbillon comes fitted with an elegant black crocodile leather strap, accompanied by an additional light grey calf leather strap—offering two distinct styles to suit any occasion.

In The Box

SEA-GULL Ultra-Thin Automatic Tourbillon Watch x1
Black alligator leather strap x1
Bonus grey distressed calf leather strap x1
Cultural bookmark "Guqin Ode" x1
User manual x1

9.4mm Ultra-thin Automatic Tourbillon Watch 42mm

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