Important Modern & Vintage Timepieces

Hong Kong, Feb 22, 2014

LOT 92

IWC REF. 666 AD INGENIEUR BLACK DIAL STEEL Ingenieur International Watch Co., Schaffhausen, "Ingenieur", movement No. 1704821, case No. 1729201, Ref. 666 AD. Made circa 1964. Fine, water-resistant, center seconds, anti-magnetic, self- winding, "Staybrite" stainless steel wristwatch with date.

HKD 40,000 - 60,000

USD 5,500 - 8,000 / CHF 4,800 - 7,200

Sold: HKD 50,000

Three-piece, polished and brushed, antimagnetic cap to protect the movement against magnetic fields, screwed- down case-back, flat bezel, concave lugs. Black with applied steel faceted indexes, luminous dots, outer minute division, steel rimmed date aperture. Luminous steel dauphine hands. Cal. 8531, rhodium plated, oeil de perdrix decoration, 21 jewels, straight line lever escapement, monometallic balance, shock absorber, self-compensating blued steel Breguet balance spring, micro-regulator.


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Grading System
Grade: AAA

Excellent

Case: 3-9-19

Good

Scratched

Dent(s)

Movement: 3*

Good

Overhaul recommended, at buyer's expense

Dial: 3-12-18-01

Good

Worn

Spotted

HANDS Original

Notes

Dial, case and movement signed. DIAM. 36 mm. THICKNESS 13 mm.