Sea-Gull Ocean Series 200m Waterproof Luminous Dive 41mm Automatic Watch

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The Sea-Gull Ocean Series is a 41mm automatic dive watch built around the ST2500 movement with 25 jewels and automatic winding. Its 316L stainless steel case and matching bracelet are paired with a synthetic sapphire crystal and an aluminum alloy bezel, while the luminous dive feature keeps the dial readable in low light.

Rated to 20 bar (200m) of water resistance, it is suited to swimming and diving, and the 41mm case with a 47mm lug-to-lug span and 13.5mm thickness sits comfortably on the wrist. The bracelet measures approximately 7.5 in long and 0.8 in wide, and the watch weighs 6.3 oz.

Key Features

Brand Sea-Gull
Collection Ocean Series
Model Number 816.37.6203
Item Type Mechanical Wristwatch
Movement ST2500
Number of Jewels 25
Movement Frequency 21600
Winding Mode Automatic Winding
Case Material 316L Stainless Steel
Crystal Material Synthetic Sapphire
Bezel Material Aluminum Alloy
Case Shape Round
Case Diameter Approx. 1.6 in
Case Thickness Approx. 0.5 in
Lug-to-Lug Approx. 1.9 in
Strap Material 316L Stainless Steel
Clasp Bracelet Clasp
Strap Length Approx. 7.5 in
Strap Width Approx. 0.8 in
Water Resistance 20 Bar (200m)
Features Luminous, Dive
Weight 6.3 oz
Warranty 1 Year

Highlights

  • Automatic ST2500 movement with 25 jewels
  • 200m (20 bar) water resistance
  • Luminous hands and markers for low-light visibility
  • 41mm stainless steel case with sapphire crystal

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Materials & care

  • Case and bracelet: 316L stainless steel
  • Crystal: synthetic sapphire
  • Bezel: aluminum alloy
  • Wipe with a soft cloth to maintain appearance

Sizing & fit

The 41mm case with a 47mm lug-to-lug span fits wrists up to approximately 7.5 in, matching the bracelet length. The strap width is 0.8 in.

Frequently asked questions

What movement powers the Sea-Gull Ocean Series watch?

It uses the ST2500 automatic winding movement with 25 jewels and a frequency of 21600.

How water resistant is this watch?

It is rated to 20 bar, equivalent to 200 meters, making it suitable for diving and swimming.

What are the dimensions of the case?

The round case measures approximately 1.6 in in diameter, 0.5 in thick, with a lug-to-lug distance of about 1.9 in.

What is included with the watch?

The watch comes with a 1-year warranty and is packaged in a carton box.