International Watch Co. Ref. E-397, self-winding, chronograph, minute and hour recorders, date, day; “Porsche Design”; titanium -- “The World’s First Titanium Chronograph” | Only Online Auction | Geneva,January 3, 2022
International Watch Co. Ref. E-397, self-winding, chronograph, minute and hour recorders, date, day; “Porsche Design”; titanium--“The World’s First Titanium Chronograph”, Titanium, self-winding, "tonneau"-shaped, gentleman’s wristwatch, water-resistant, screwed case-back, black bezel ring under the glass, dark grey colour dial with subsidiary seconds at 9 and five horological complications:, · Chronograph (activated by the two push-pieces housed in the case-band) with tachometric scale graduated on the bezel for 300 units per hour, · 30-minute recorder (subsidiary dial at 12 o’clock), · 12-hour recorder (subsidiary dial at 6 o’clock), · Date of the month (aperture at 3 o’clock), · Month of the year (aperture at 3 o’clock; indications given in German) Brand International Watch Co., Schaffhausen / Schaffhouse
Model “Porsche Design”
Reference E-397
Year circa 1980-1990
Case No. 1 279 044
Material titanium
Bracelet integrated stainless steel IWC-PD link bracelet with deployant clasp
Diameter 42.3 mm.
Dimensions Length 165 mm. (approx.)
Signature dial, case and movement
Accessories original fitted box (fair condition), instruction booklet