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U-Boat U-42 Automatic Titanium Black Dial LTD 53mm Ref. 6157

Pre-owned () | Original box | Original papers
$4,450
+ $95 insured shipping within:
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More About This Listing

Basic Info
Listing code IGW8R7
Brand U-Boat
Model U-42
Reference number 6157.
Dealer product code 7800
Movement Automatic
Case material Titanium
Bracelet material Calf skin
Year of production Unknown
Condition
Scope of delivery
Original box, original papers
Location United States of America, Missouri, Chesterfield
Price $4,450
Availability Item is in stock

Caliber
Movement Automatic
Power reserve 40 h

Case
Case material Titanium
Case diameter 53 mm
Crystal Sapphire crystal
Dial Black

Bracelet/strap
Bracelet material Calf skin
Bracelet color Black
Clasp Buckle
Clasp material Titanium

Functions
Chronograph, Date

Other
Small seconds, Rotating Bezel, Limited Edition

Description
U-Boat U-42 Automatic Titanium Black Dial LTD 53mm
Ref. 6157
Very Good to Excellent condition with box, papers & extra long black calf strap shown in pictures. The box is super cool too!
DESCRIPTION:
This unique and collectible timepiece was made in two sizes. It was offered in a 47mm size and a 53mm size. I am offering the 53mm reference 6157. Due to its large size, this watch has become quite collectible and sells for more than the 47mm in the secondary market. Please keep this in mind when searching the internet.
SPECIFICATIONS:
LIMITED EDITION: 999 Units Created. Each timepiece is individually numbered which is printed on the dial and engraved on the case back.
REFERENCE NUMBER: 6157 u-42
MOVEMENT: Automatic mechanical, personalized to U-Boat specifications for stem to be positioned at 9 o’clock. Power reserve: 40 hours. automatic mechanical chronograph modified and personalized at U-Boat specifications for date display and stem position at 9 o’clock. Power reserve: 48 hours.
FUNCTIONS: hours, minutes, small seconds. hours, minutes, small second, chronograph 60 s, counter 30 min and 12 h. Date window at 9 o’clock.
CASE: in titanium, Diameter: 53 mm. Charge axis, stop crown lever, stop glass handles, bezel runners, andstrap pivots in steel AISI 316. Watertight on axis reset and assured charge by PTFE gasket. Bi-directional rotating bezel, in titanium, lockable with a lever on the right side of the case. Fixing of revolving bezel by 3 screws encapsulated in the back case; the bezel removal, for maintenance and washing obtained by removing the three screws, does not affect the watch watertight. 12 o’clock ball indicator on the bezel made of ceramic. BACK: in titanium, fixed on case with 6 encapsulated hexagon screws in steel.
CRYSTAL: sapphire glass.
DIAL: mat black, markers treated with superluminova (peach color). Baton hands, treated with superluminova.
WATER RESISTANCE: 300 mt, 30 ATM. STRAP: hand made and hand finished calf leather, carefully selected and processed following the traditional artisan handcrafted techniques used in the 1800’s, which give the strap a naturally distressed feel and look. Tongue buckle in titanium.
ADDITIONAL FEATURES: This astonishing and exceptionally rare model was designed with a reinvented hand winder made from the same Grade-5 Titanium that was used for the back case, case and bezel. All engravings on this piece are carried out by mechanical pantograph, including the brass dial with plate located, which is galvanized and finished with a bright enamel paste. The pressure resistance of this piece is tested in an autoclave at 40 bar before the final assembly is completed. The U-42’s winding crown was built in two parts: one is attached to the movement stem whilst the other is hinged to it with a pivot. This gives a flexible joint configuration which allows the crown to protrude considerably from the watch itself for winding and setting, yet returning it to a protected, hidden position, diminishing the side clutter when in action. This type of crown is imperative under certain conditions as it is absolutely necessary for activities during which gloves are required such as underwater operations and environmental practice at Arctic temperatures. The water-tight crown protection attached to the stem is assured by a clipping gasket in energized Polytetrafluoroethylene and by an o-ring twin-arrangement.
LIMITED EDITION 999 UNITS

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Seller

Watches 24 Seven, LLC
Professional dealer | On Chrono24 since 2010
Chesterfield, United States of America
276 watches sold
163 active listings
Chesterfield, United States of America

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Ships 88% of their items on time or earlier

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Replies within 11 hours

Sales

6 items sold

Reviews (192)
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