Harry Winston Ocean Triple Retrograde Black Zalium Chronograph -  9000 Euro 

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Case:
zalium, reference number 400-MCRA44ZK,
back case secured by 8 screws, case number 0600....
see through back case, serial number 40.....

Diameter:
44mm case, 13mm high

Movement:
automatic, Cal 1188, triple retrograde chronograph, 37 jewels

Dial:
semi-skeletonised silvered textured dial, white indexes and numbers,
three retrograde chronograph dials on 4,6,8 o'clock

Hands:
black hands

Glass:
sapphire glass

Buckle:
Harry Winston, zalium clasp

Strap:
Harry Winston, high class black leather, size 20mm

Crown:
Harry Winston

No manufactory box and documents