


























Silicon Hairspring | No-Regulator Tourbillon | 42mm
❤️10-15% Off Sitewide Watches
🎁 Orders Over $199 Receive a Horse Zodiac Keychain

General Information & Packaging
Origin: Mainland China
Item Type: Mechanical Wristwatch
Model Number: 818.17.8841/518.57.8841
Warranty: 3 Years
Net Weight: 82g
Packing Box: Carton
Movement
Movement: ST8260
Number of Jewels: 21
Movement Frequency: 21600
Winding Mode: Manual Winding
Case & Strap
Case Material: 316L Stainless Steel
Crystal Material: Synthetic Sapphire
Case Thickness: Approx. 12mm
Case Diameter: Approx. 42mm
Lug to Lug: Approx. 50mm
Case Shape: Round
Strap Material: Leather
Clasp: Pin Buckle
Strap Length: Approx. 20cm
Strap Width: Approx. 21mm
Features
Waterproof: 5 Bar
Feature: No-Regulator Tourbillon, Silicon Hairspring
Tax & Duties
Europe: Prices include VAT and import fees.
North America: Taxes included for United States (US), Canada (CA) and Mexico (MX).
Asia: All taxes are covered.
Other regions: Contact us for details.
Choose options


























News and Reviews

Sea-Gull Mechanical Watches: 2026 Collection
In 2026, Sea-Gull remains a pivotal force in the mechanical watch landscape, distinguished by its immense and vertically integrated movement manufacturing capabilities rather than a traditional lux...
Read more
Seagull Ocean Star & GMT: Engineering Analysis
Seagull sits in a rare position in modern mechanical watchmaking: a movement-driven manufacturer with the scale to industrialize everything from straightforward three-hand automatics to column-whee...
Read more
Seagull Tourbillon Benefits: Affordable Luxury
The meaning of tourbillon A tourbillon is a regulating system where the balance wheel and escapement are mounted inside a rotating cage. The cage typically makes one rotation per minute, changing t...
Read more







