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Important Modern & Vintage Timepieces

New York, December 11, 2014

LOT 23

IWC INGENIEUR REF 3508 500.000 A/M STEEL International Watch Co., Schaffhausen, "Ingenieur Automatic 500.000 A/m, case No. 2450279, Ref. 3508. Made circa 1990s. Fine and very rare, tonneau-shaped, center-seconds, self- winding, water-resistant, antimagnetic, stainless steel wristwatch with date and an integrated stainless steel IWC link bracelet. Accompanied by a fitted box with an extra link.

Three-body, polished and brushed, screw-down case back and crown, "500.000 A/m" stamped on the side of the case, soft iron cover to protect against magnetic fields, sapphire crystal. Black with applied yellow gold dart indexes, aperture for the date. Luminous yellow gold "baton" hands. Cal. 37590, rhodium-plated, 21 jewels, straight-line lever escapement, monometallic balance, shock absorber, self-compensating flat balance spring.

C. Three-body, polished and brushed, screw-down case back and crown, "500.000 A/m" stamped on the side of the case, soft iron cover to protect against magnetic fields, sapphire crystal.
D. Black with applied yellow gold dart indexes, aperture for the date. Luminous yellow gold "baton" hands.
M. Cal. 37590, rhodium-plated, 21 jewels, straight-line lever escapement, monometallic balance, shock absorber, self-compensating flat balance spring.

USD 3,000 - 4,000

HKD 23,000 - 31,000 / CHF 2,900 - 3,900

Sold: USD 3,625


Grading System
Case: 0
Movement: 0*
Dial: 0-00

Notes

Dial case and movement signed. DIAM. 34 mm. THICKNESS 9 mm.