**Product Specifications:**
**Brand:** TISSOT
**Model:** S1
**Description:** Explore the deep sea with the TISSOT S1, a quartz men's watch from the Sea Star collection. Designed for professional performance in seeking underwater mysteries and discovering endless possibilities.
**Features:**
- Professional diving watch with water resistance up to 200 meters (660 feet).
- Unidirectional rotating bezel for oxygen consumption monitoring during dives.
- Deep blue dial for a rich maritime feel.
- Sapphire crystal glass for durability.
- Quartz movement.
**Water Resistance:** 30 bar (300 meters/1000 feet)
**Case Diameter:** 40mm
**Case Thickness:** 9.97mm
**Lug Width:** 20mm
**Bracelet Weight:** 134g
**Crown Operation:**
1. Rotate counterclockwise to unlock the crown.
2. Pull out to position 1 for date adjustment.
3. Pull out to position 2 for time adjustment.
4. After adjustments, push the crown back to position 1 and rotate clockwise to secure.
*Note: Water resistance is tested under laboratory conditions and is suitable for activities such as surface swimming and snorkeling, but not hot water or diving. Actual water depth resistance may vary.*