Chronographs

Caliber: 31681.AS, manual winding chronograph, partially hand-engraved and refined, blued screws, 23 jewels, power reserve approx. 42 hours, 36 hours if chrono feature is turned on
Function: Hours, minutes, decentralized second hand, decentralized minute counter, chrono and summing up function, day and night indicator at 6 o’clock, date
Case: Stainless steel, 5 atm water-resistant
Diameter: 39 mm
Height: 13.2 mm
Glass: Sapphire glass on both sides, anti-reflective of front
Width of strap: 20 mm
Dial: White mother-of-pearl
Hands: Blued stainless steel
Strap: Extra soft calfskin leather strap in black with white stitchings and engraved massive stainless steel pin buckle                

• Caliber: 31681.AS, manual winding chronograph, partially hand-engraved and refined, blued screws, 23 jewels, power reserve approx. 42 hours, 36 hours if chrono feature is turned on
• Function: Hours, minutes, decentralized second hand, decentralized minute counter, chrono and summing up function, day and night indicator at 6 o’clock, date
• Case: Stainless steel, 5 atm water-resistant
• Diameter: 39 mm
• Height: 13.2 mm
• Glass: Sapphire glass on both sides, anti-reflective of front
• Width of strap: 20 mm
• Dial: White mother-of-pearl
• Hands: Rose gold-plated
• Strap: Extra soft calfskin leather strap in black with white stitchings and engraved massive stainless steel pin buckle

• Caliber: 31681.AS, manual winding chronograph, partially hand-engraved and refined, blued screws, 23 jewels, power reserve approx. 42 hours, 36 hours if chrono feature is turned on
• Function: Hours, minutes, decentralized second hand, decentralized minute counter, chrono and summing up function, day and night indicator at 6 o’clock, date
• Case: Stainless steel, 5 atm water-resistant
• Diameter: 39 mm
• Height: 13.2 mm
• Glass: Sapphire glass on both sides, anti-reflective of front
• Dial: Black mother-of-pearl
• Hands: Silver-colored
• Strap: Stainless steel Milanese strap with folding clasp

• Case made of stainless steel, polished
• Pilot's bezel
• Shock-resistance acrylic glass (sapphire crystal glass optional)
• Solid back (transparent back made of sapphire crystal optional)
• Pressure-resistant to 20 bar
• Low pressure resistant

• Case made of stainless steel, bead-blasted
• Display of date and day of the week
• Acrylic glass (sapphire crystal glass optional)
• Solid case back (transparent case back made of sapphire crystal optional)
• Pressure-resistant to 10 bar
• Low pressure resistant