Model: 816.22.1047 Steel shell ash dial
Model: 816.32.1047H Gun plated black case blue dial
Movement: ST2100 
Vibration frequency: 28800 28 diamonds
Full string energy storage>42 hours
Shell diameter: 44MM
Thickness: about 14MM
316L stainless steel case and strap
Synthetic sapphire crystal
200m waterproof ceramic diving ring
 
Item Type: Mechanical Wristwatches
Case Thickness: 13mm
Band Width: 22mm
Style: Sport
Clasp Type: Folding Clasp with Safety
Feature: Auto Date,Water Resistant,Diver,Swim
Water Resistance Depth: 30Bar
Case Shape: Round
Boxes & Cases Material: Paper
Dial Window Material Type: Sapphire Crystal
Movement: Automatic Self-Wind
Sport Type: Diving
Brand Name: SEA-GULL