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1914 Longines Caliber 13.33 Mens Single Button World War I Military Chronograph

SKU: 21-201044



PRISTINE Merchandise is in “like new” condition. There are no signs of wear or any other visible imperfections.  EXCELLENT Merchandise is in exceptionally good condition with very little wear. Any imperfections are described in detail.  VERY GOOD: Merchandise is in very good condition for its age. Older items may exhibit very light patina and wear relative to the age of the product, and more contemporary items will be just short of “excellent”. GOOD: Merchandise is in good condition and typically will appear mildly to moderately used. There may be some surface scratches and/or other imperfections. Older items may exhibit patina and wear related to their age. Please review the item listing for specific details regarding condition.


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Today's showcases this very collectible and rare caliber 13.33 World War I era chronograph. First developed in 1913, like many chronograph pocket watches, the 13.33 relies on a single pusher to start, start and reset the chronograph. While some of the dials for these watches contained colorful scales, the dial on this very early example is more utilitarian and uncluttered and goes along well with the watch's somewhat trench style design. It's easy to read large numerals and prominent red twelve give it a natural suitability for military uses, particularly important at the time this watch was produced. It is is pleasing original condition down to the crown and hour and minute and small register hands with matching serial and case numbers. The only part that appears that it likely is a replacement is a the sweeping chrono hand. The silver case has a beautiful authentic patina, which have left on. It could be removed if desired. Accompanying it is a vintage Longines box. It is running very well, and the chronograph starts, stops, and resets crisply. If you're familiar with modern Longines, the Longines Column-Wheel Single Push-Piece Chronograph 180th Anniversary Limited Edition was specially designed to mark the brand’s 180th anniversary's and is closely based on the original 13.33 watches.


Model: 13.33 Chronograph

No: 2,976,645

Functions: Hours, Minutes, Subsidiary Seconds, Chronograph

Dial: White porcelain with black minute numerals and minute track, original, just short of perfect mint with a very faint short hairline near 2 that requires very close observation - nearly magnification - to see

Hands: Original hour, minute, and small register hands. Appear to have been re-blackened. Chronograph sweep hand likely a replacement.

Movement type: Signed Longines, caliber 13.33, 17 jewels, rhodium plated, crown wheel

Bracelet: Crocodile, fully stitched, padded, brand new and unworn with vintage Longines buckle

Width between lugs: 18mm

Crystal type: Acrylic, excellent condition

Box/Papers: BOX - Vintage Longines box (missing insert)

Return Policy: 7 days from the day it is received

SKU: 21-201044
Accompanied by: Longines
Bracelet/Strap: Crocodile
Color: White
Country of Origin: Switzerland
Authenticity Details: Longines
Case Dimensions (in mm): 35mm wide (excluding crown), 42mm long lug tip-to-tip
Primary Material: Silver

Domestic and international shipping is by FedEx. All shipments are fully insured.

Please contact Portero Customer Care Department for a return authorization, and ship back item within 7 days of receipt. Items must be properly packaged in comparable box, and in unworn condition.