**Product Specifications:**
**Brand:** LONGINES
**Model:** HYDROCONQUEST
**Features:** Outstanding performance for underwater exploration
**Water Resistance:** 30 bar
**Movement:** Automatic
**Case Size Options:** 39mm, 41mm, 44mm
**Bezel:** Unidirectional rotating bezel with colored options
**Crown:** Screw-in crown for water resistance
**Case Back:** Screw-in case back for 30 bar water resistance
**Dial:** Black sunray dial with silver polished hands
**Functions:** Hours, minutes, seconds, date display
**Bracelet:** Stainless steel with folding clasp and diving extension
**Additional Features:** Safety diving bezel, precise timekeeping, colorful design options
**Warranty:** Global warranty service provided by LONGINES
**Care Instructions:**
Before use, rotate the crown counterclockwise to position 1, then pull out the crown.
After use, push the crown back to position 2, firmly press down and screw in to ensure water resistance.
Keep the crown pushed in and screwed down to maintain the seal.
Do not unscrew the crown in a humid environment.
**Packaging:** Comes in a LONGINES box for gifting and safekeeping.
**Authorized Retailers:**
Official LONGINES stores
LONGINES flagship store on JD.com
**Maintenance:** Refer to the instruction manual for adjustments and maintenance guidelines.
For more information on LONGINES products and services, visit the official website.