Ball Watch · Engineer II

Strap for Engineer Master II Diver Worldtime

Takes 20 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.

Lug width20 mm
Case diameter48 mm
ReferenceDG2022A-PAJ-WH
FamilyEngineer II
MovementBall Watch caliber RR1501 hours, minutes, seconds, world time | date, day
CaseStainless Steel

Spring bar

Swiss Standard universal spring bars

The right category for this model · 316L steel, all lug widths 13–26 mm

Straps for the Engineer II DG2022A-PAJ-WH

Selected for the 20 mm lug width · workshop selection

All 20 mm straps →

The Engineer II DG2022A-PAJ-WH, seen from the bench

The Ball Watch Engineer II DG2022A-PAJ-WH is a 47.6mm chronograph featuring the Ball RR1501 automatic movement with hours, minutes, seconds, date, day, and world time functions. The stainless steel case incorporates tritium self-powered micro-lamps for constant readability and patented anti-magnetic technology. The 20mm lug width provides optimal proportions and compatibility with quality straps for this case diameter.

Frequently asked questions

What is the lug width of the Ball Watch Engineer II DG2022A-PAJ-WH?

The Ball Watch Engineer II DG2022A-PAJ-WH features a lug width of 20mm, measured from inner wall to inner wall of the lug. This specific dimension ensures compatibility with quality aftermarket straps whilst maintaining correct proportions between the 47.6mm case and strap. Precise measurement guarantees secure fitment and comfortable wear.

Which strap is recommended for the DG2022A-PAJ-WH?

For the Ball Engineer II DG2022A-PAJ-WH, we recommend medium-brown alligator for formal elegance, vegetable-tanned calf for natural colour development over time, or heavy-cotton NATO in navy blue for tactical versatility. Rubber buttero is ideal for extreme operational environments. Selection depends on primary use: daily luxury, long-term investment, or extreme functionality.

How do you change the strap on a 20mm lug width watch?

Changing a strap on a 20mm watch requires a precision tool (strap remover or spring bar tool) to avoid case damage. Position the watch on a stable holder, identify the spring bar direction (usually marked with a small arrow), and gently press until the bar releases. Insert the new strap, aligning the lug perfectly with the holes, and verify complete locking. Professional assistance is recommended if inexperienced.

Are aftermarket 20mm straps compatible with the DG2022A-PAJ-WH?

Yes, any strap with 20mm lug width is mechanically compatible with the Ball Engineer II DG2022A-PAJ-WH. However, aesthetic and quality compatibility depends on material and construction: high-quality leather (alligator, calf), sturdy cotton NATO, and premium rubber straps deliver results fully aligned with the luxury-instrument positioning of the DG2022A-PAJ-WH. Avoid low-grade synthetic straps that undermine the watch's perception.

How long does a leather strap last on the Ball Engineer II DG2022A-PAJ-WH?

Leather strap longevity depends on material and usage. A quality artisanal alligator or vegetable-tanned calf strap typically lasts 3-5 years with moderate daily wear. Vegetable tanning permits repairs and revivatisation through specific treatments, extending strap life beyond initial expectation. Usage environment (humidity, temperature, sunlight exposure) and rotation frequency with alternative straps significantly affect longevity. Natural patina development is a mark of quality, not deterioration.

The next step

The right strap isn't chosen. It is built, together.

From the atelier appointment to delivery, every step is made for those who know that things done well take time. Rare leathers, one piece at a time, eighteen months of warranty.

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Casati Milano · Via XX Settembre 15, Milan · by appointment only