CARTIER REF. 2531 QUARTZ CHRONOGRAPH STEEL
Cartier, "Tank Française," case No. 212861BB, Ref. 2531. Made circa
2000.
Fine, square and curved, water-resistant, stainless steel quartz
wristwatch with square button chronograph, registers, date and a
stainless steel Cartier deployant clasp.
Two-body, polished and brushed, octagonal cabochon sapphire-
set winding crown, back secured with 4 screws, sapphire
crystal.
Matte silver with painted black radial Roman numerals, outer
1/5th seconds track, subsidiary dials for the 30-minute and 12-
hour registers, aperture for the date at 12, secret Cartier signature
on the X. Blued steel epée hands.
Chrono Reflex movement, Cal. 222, 25 jewels, with quartz
standardization.