Ball Watch
Engineer II CM3888D-S1J-BK— lug 20mm
Ball Watch Engineer II CM3888D-S1J-BK: 20mm strap. Alligator, box calf, shell cordovan and rubber, cut and stitched in Milano. Choose your leather.
Artisanal Note
"This model requires a precise 20mm lug width to preserve the original sartorial balance."
Technical Specifications
Ball Watch CM3888D-S1J-BKThe essential strap measurement.
Browse 20mm straps →CM3888D-S1J-BK
Ball Watch caliber RR1402 Hours, Minutes, Small Seconds | Date | Chronograph
The Heritage
Compatible Straps
Selected for the 20mm lug width of the Engineer II
FAQ
What is the lug width of the Ball Watch Engineer II CM3888D-S1J-BK?
The lug width of the Ball Watch Engineer II CM3888D-S1J-BK is 20mm. This width is ideal for a watch with a 47.60mm case, ensuring visual balance and compatibility with a wide selection of aftermarket straps. To verify the lug width, measure the distance between the upper and lower case attachments, excluding lateral protrusions.
Which strap do you recommend for the Ball Watch Engineer II CM3888D-S1J-BK?
The choice depends on your intended use and personal preferences. For formal or elegant-sport occasions, we recommend alligator in brown or burgundy; for daily technical use, a NATO strap in nylon or textile is ideal; for those seeking pure functionality in extreme conditions, an FKM rubber strap offers maximum durability and reliable grip when wet.
How do you change the strap on the Ball Watch Engineer II CM3888D-S1J-BK?
Strap replacement requires a specific tool called a spring bar tool. Insert the tip of the tool beneath the lug terminus, gently press to unlock the internal spring, and slide out the old strap. Insert the new strap by aligning it with the attachments, then reinsert the springs with uniform pressure. If you are not experienced, entrust the task to a professional watchmaker.
Are 20mm aftermarket straps compatible with the CM3888D-S1J-BK?
Yes, any strap with 20mm terminals is compatible with the Ball Watch Engineer II CM3888D-S1J-BK. On milanostraps.it you will find a selection of artisanal straps in leather, NATO, and rubber specifically available in 20mm size, customisable according to your aesthetic preferences.
How long does a leather strap last on the Ball Watch Engineer II CM3888D-S1J-BK?
A quality leather strap, subject to moderate daily use, offers a lifespan of 3 to 5 years before replacement is necessary. Longevity varies depending on the tanning method (vegetable or chrome), exposure to sweat and humidity, and cleaning frequency. Artisanal natural-treated leather straps develop a desirable patina over time, telling the story of their use.