Constellation 38 mm Blue Dial in Stainless Steel 123.10.38.21.03.001 offer-accepted it is the world's first

it is the world's first Master Chronometer and that says more than a thousand words

a chronograph with 30-minute timer at 9 o'clock

Strap material: Resin

It has a standard level of water resistance - up to 5 bar (50m/100ft)

Constellation 38 mm Blue Dial in Stainless Steel 123.10.38.21.03.001 offer-accepted it is the world's firstInformation Reference number: 123. 10. 38. 21. 03. 001 Model: Constellation Condition: New with paper and box Gender: Men's Case Case material: Stainless Steel Case dimension: 38 mm Dial colour: Blue Movement Movement: Automatic Power reserve: 60 hours Calibre: Caliber 8500 Bracelet Strap material: Stainless Steel