Lot 32

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IWC, MARK XI, REF. 6B / 346

Price Realised USD 7,500

Estimate

USD 6,000 - USD 10,000

Closed: 14 Nov 2017

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IWC, MARK XI, REF. 6B / 346

Price Realised USD 7,500

Closed: 14 Nov 2017

Price Realised USD 7,500

Closed: 14 Nov 2017

Details Lot Essay Related Articles More from

CIRCA: 1950
CASE MATERIAL: Stainless Steel
DIAMETER: 36 mm
BRACELET / STRAP MATERIAL: Grey Nato strap
DIAL: Black
MOVEMENT: Manual
FUNCTIONS: Time, sweep centre seconds, hack feature
CALIBER: 89
ACCESSORIES: IWC Schaffhausen certificate dated 4 February 2009, confirming that the present watch is one of the legendary Mark XI models made for several Air Forces, Bucherer service invoice dated 4 November 2010

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Lot Essay

Production of the Mark XI, one of the most legendary navigator's watches, was launched in 1948. The model was always fitted with an IWC calibre 89, with or without the hacking feature, and cased in stainless steel, some early versions in chrome-plated brass.

It was issued to the British Ministry of Defence and used by the RAF as well as Commonwealth forces, including South Africa, New Zealand and Australia. The engraved numbers on the back differ depending on service. Dials and military markings also vary but those for military use show a broad arrow, some also the Ministry of Defence specification for tritium, the encircled T.

The present watch is engraved with Mark XI reference number 6B/346, the "6B" signifying "Flying", the combination of "6B/346" was the watch specification. It is furthermore numbered 158, the serial number, and 50, the year of production.

The model is illustrated in by Jader Barracca, Giampiero Negretti, Franco Nencini, p. 207.