Zenith Chronomaster XXT Open

Case Size: 45 x 14 mm
Also Known As: 031260402122C505
Gender: Gents
Movement: Automatic
Functions: Hours, Minutes, Seconds, Chronograph, Power Reserve Power Reserve: 50 Hours

Case Materials:
Stainless Steel
Case Back: Transparent (See-Through)
Crown: Pull Out
Dial Color: Black
Band Type: Leather
Clasp Type: Deployment
Signatures: Zenith

Description:
Stainless Steel Case, Black Crocodile Leather Strap with Steel Deployment Buckle
Black Guilloche Textured Dial with a unique cutaway that partially skeletonizes the movement by exposing the escapement
Silver Tone Applied Roman Numerals
Chronograph Stop-Watch
Functions: Power Reserve Indicator, Small Seconds Hand Dial at the 9 o'clock Position (part of the cutaway view).
Sapphire Crystal
Transparent Case Back,
Water Resistant to 30m/100ft.
Case Diameter 45mm, Case Thickness 14mm.