Ball Watch
Engineer II NM2026C-S6J-BE— lug 20mm
Ball Watch Engineer II NM2026C-S6J-BE: 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 NM2026C-S6J-BEThe essential strap measurement.
Browse 20mm straps →NM2026C-S6J-BE
Ball Watch caliber RR1103 Hours, Minutes, Seconds | Date
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 NM2026C-S6J-BE?
The Ball Watch Engineer II NM2026C-S6J-BE features a 20mm lug width, measured between the inner edges of the lugs. To verify compatibility, use a digital calliper positioned perpendicular to the attachment points. A tolerance of ±0.3mm is acceptable; beyond this, the strap may not seat correctly on the spring bars.
Which strap is best suited for the Ball Watch Engineer II NM2026C-S6J-BE?
Selection depends on intended use and context. For formal wear, vegetable-tanned alligator in dark brown elegantly complements the case robustness and tritium lume on the black dial. For daily technical use, a high-tenacity nylon NATO reflects the watch's field origins. Vintage-aged calf leather is ideal for those seeking patina development over time. For aquatic or chemically aggressive environments, structured FKM rubber with titanium deployante offers uncompromised durability.
How do I change the strap on the Ball Watch Engineer II NM2026C-S6J-BE?
The NM2026C-S6J-BE uses 20mm spring bars. A spring bar tool or pin punch is required for removal. Place the watch on a padded surface to prevent scratching. Locate the lateral hole on each spring bar, gently insert the tool tip to disengage, then withdraw the old strap. Align the new strap and reinsert the bars until you hear an audible click. Confirm full engagement before wearing.
Is aftermarket strap compatible with the Ball Watch Engineer II NM2026C-S6J-BE?
Yes, any strap with a 20mm lug width is mechanically compatible. However, verify the band thickness at the attachment point: the NM2026C-S6J-BE has slightly contoured lugs, so straps exceeding 4mm thickness may exhibit play. Artisanal custom-made straps, engineered to 3–3.5mm thickness, ensure perfect fit and aesthetic coherence with the case's proportions.
How long does a leather strap last on the Ball Watch Engineer II NM2026C-S6J-BE?
Durability depends on tanning method and wear pattern. Vegetable-tanned alligator, with daily wrist wear, lasts 3–5 years before reconditioning. Rough calf aged naturally can exceed 7–10 years whilst developing sought-after patina. Nylon NATO, under identical conditions, easily surpasses 5 years without significant degradation. Prolonged direct sunlight exposure, constant moisture, and perspiration accelerate ageing. Regular conditioning with specialised creams extends strap life by 2–3 years.