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-BK-T2
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-BK-T2

Selected for the 20 mm lug width · workshop selection

All 20 mm straps →

The Engineer II DG2022A-PAJ-BK-T2, seen from the bench

The Ball Watch Engineer II DG2022A-PAJ-BK-T2 combines American railroad heritage with Swiss engineering in a professional chronograph measuring 47.60 mm in diameter. Equipped with the Ball Watch caliber RR1501 manual movement, it features hours, minutes, seconds, Worldtime, date and day functions. The stainless steel case with black dial and luminescent indices ensures maximum contrast, while the rotating bezel aids timezone calculations. The 20 mm lug width is the specific measurement between the case attachment pins, critical for strap compatibility.

Frequently asked questions

What is the lug width of the Ball Watch Engineer II DG2022A-PAJ-BK-T2?

The lug width of the Ball Watch Engineer II DG2022A-PAJ-BK-T2 is 20mm. This measurement represents the distance between the case lugs and is the critical parameter for aftermarket strap compatibility. Always verify this dimension before purchasing a replacement strap to ensure proper fit and stability.

What is the best strap for the Ball Watch Engineer II DG2022A-PAJ-BK-T2?

Selection depends on intended use. For formal wear or travel, we recommend vegetable-tanned alligator or chrome-tanned calf leather, both developing patina over time. For daily use in challenging environments, FKM rubber offers superior durability and minimal maintenance. NATO straps in Cordura provide versatile practicality. All must feature 20mm lug width compatibility.

How do you change the strap on a Ball Watch Engineer II DG2022A-PAJ-BK-T2?

Strap replacement requires a spring bar tool or pin remover. Position the tool beneath the lateral attachment pin, gently lift until the spring retracts, and remove the pin. Slide out the old strap. Insert the new 20mm strap, align both ends with the case holes, and push the pin until it clicks into position. Avoid abrupt movements to prevent damage to the lugs.

Is an aftermarket strap compatible with the Ball Watch Engineer II DG2022A-PAJ-BK-T2?

Yes, any strap with 20mm lug width is mechanically compatible with the DG2022A-PAJ-BK-T2. Artisanal aftermarket straps from Milano Straps offer superior materials compared to OEM solutions: vegetable leather, alligator, and shell cordovan develop aesthetic character over time. Always verify the 20mm specification and ensure the lugs accommodate the case width appropriately.

How long does a leather strap last on a Ball Watch Engineer II DG2022A-PAJ-BK-T2?

A quality leather strap with daily use maintains structural integrity for 3-5 years. Longevity depends on tanning method (vegetable tanning proves more durable), leather thickness, usage frequency, and environmental conditions (humidity, perspiration). A vegetable-tanned strap develops desirable patina throughout this period. Rotating between multiple straps extends each strap's lifespan by allowing the leather to breathe and dry between wears.

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