Sea-Gull Tourbillon Calendar Limited Edition Manual Wind Watch 40mm White

  • USD13,999.00
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This Sea-Gull Tourbillon Calendar watch features a manually wound ST8004 movement with 23 jewels, visible through a sapphire crystal case back. The 40mm 316L stainless steel case is paired with a genuine leather strap and pin buckle, offering a classic round silhouette.

The dial includes a calendar complication and a tourbillon, with water resistance to 3 bar. This limited edition timepiece comes in a carton box with a 3-year warranty.

Key Features

Brand Sea-Gull
Model Number 618.874
Movement ST8004
Winding Mode Manual Winding
Number of Jewels 23
Movement Frequency 21600 bph
Case Material 316L Stainless Steel
Case Diameter Approx. 40mm
Case Thickness Approx. 11mm
Case Shape Round
Crystal Material Synthetic Sapphire
Strap Material Leather
Strap Width Approx. 21mm
Strap Length Approx. 18cm
Clasp Pin Buckle
Waterproof 3 Bar
Feature Tourbillon, Calendar
Net Weight 82g
Warranty 3 Years
Packing Box Carton
Origin Mainland China

Materials & care

The case is made of 316L stainless steel with a synthetic sapphire crystal. The strap is genuine leather. Clean with a soft, dry cloth. Avoid contact with chemicals and extreme temperatures.

What's included

  • Sea-Gull Tourbillon Calendar watch
  • Leather strap
  • Carton box
  • Warranty card

Frequently asked questions

What movement does this watch use?

It uses the Sea-Gull ST8004 manual winding movement with 23 jewels and a frequency of 21,600 bph.

What is the case diameter?

The case diameter is approximately 40mm.

Is the watch water resistant?

Yes, it is water resistant to 3 bar (30 meters).

What is the warranty period?

The watch comes with a 3-year warranty.


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