Vintage 1960's Paul Portinoux 39mm Mechanical 17J Chronograph Watch Valjoux 7736 Brand: Paul Portinoux Model: Chronograph Reference/ model number: N/A Band reference: N/A Serial number: N/A Circa: 1960's Movement: Swiss made mechanical, Valjoux 7737, movement signed JP Pingouin Service/ battery: Last service is unknown, but has been inspected and it does not need a service at this time Functionality: Tested and keeping excellent time, all functions working flawlessly (water resistance has not been tested) Case size: 39mm stainless steel Lug/ band size: Watch has 18mm lugs and is fitted with a vintage generic brown leather strap Features: Black dial, Swiss made mechanical movement, acrylic crystal, a chronograph, luminous hands and hour indicators, and a push/pull crown Box/ papers: Not included Condition I have updated my rating scale in January of 2025. The new scale that I am using rates different parts of the watch on a scale between N-R-10-1. From the highest to lowest rankings, they mean the following: N= Brand New, R= Refurbished (polished and looks new, no replaced parts), 10= Like new (store display, may have small handling marks, possibly unworn), 9= Like new (may have been worn a handful of times), 8= Excellent, 7= Very Good, 6-5= Good, 4-3= Less than Good, 2-1= Poor. Any noteworthy issues or concerns will also be listed by the numerical grade for each part of the watch. Lastly, I do not give the dial/hands a numerical grade, but a few descriptive wor
Daily Cleaning: Use a soft brush or damp cloth to gently wipe away dirt. Avoid harsh chemicals. For mesh areas, use diluted mild detergent and a soft brush.
Drying: Air dry in a cool, shaded place after cleaning. Avoid direct sunlight or high heat, which can cause fading and glue deterioration.
Storage: Stuff with paper to maintain shape when not in use. Store in a dry, ventilated area to prevent mold. Rotate between multiple pairs to extend lifespan.
Usage Notes: Designed for basketball. Not recommended for hiking, long-distance running, or other specialized sports where different performance features are required.
The packaging was neat and the product arrived without any damage. The design is simple but practical, exactly what I was looking for.