Technical Archive

Rolex
Oysterdate Precision 7835— lug 18mm

Rolex Oysterdate Precision 7835: 18mm strap. Alligator, box calf, shell cordovan and rubber, cut and stitched in Milano. Choose your leather.

Technical Specifications

Rolex 7835
Lug Width
18 mm

The essential strap measurement.

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Case Size
34 mm
Reference

7835

Years

1960–1970

Movement

Rolex Caliber 1215

Case Material

Stainless Steel

Bezel

Smooth stainless steel

Crystal

Acrylic

Water Resistance

50m

The Heritage

The Rolex Oysterdate Precision 7835 is a manual-wind dress watch produced between 1960 and 1970, featuring the Rolex caliber 1215 movement. The stainless steel case measures 34–36 mm in diameter with a date window at 3 o'clock, silver or champagne dial variants, and a screw-down caseback. Lug width is 18 mm, a precise specification for aftermarket strap compatibility on this vintage model.

FAQ

What is the lug width of the Rolex Oysterdate Precision 7835?

The Rolex Oysterdate Precision 7835 has a lug width of 18mm. This measurement should be verified using a digital calliper, measuring the internal distance between the two lugs at the point where the strap inserts. Respecting this dimension is essential for a correct and secure fitting.

What is the best strap for the Rolex Oysterdate Precision 7835?

For a vintage dress watch like the 7835, a belly-cut alligator strap in vegetable-tanned leather is the most appropriate choice in formal terms. Shell cordovan offers a compact, refined surface as an equally distinguished alternative. For more casual wear, a heavy-weave nylon NATO strap is faithful to the military aesthetic of the 1960s. The correct width is 18mm.

How do you change the strap on a Rolex Oysterdate Precision 7835?

To replace the strap, the springbars connecting it to the case lugs must be removed. Use a dedicated springbar tool or a flat-blade watchmaker's screwdriver. Always work on a soft mat to avoid scratching the case. If in doubt, it is advisable to consult a qualified watchmaker.

Are there aftermarket straps compatible with the Rolex Oysterdate Precision 7835?

Yes. Any strap with an 18mm lug width is technically compatible with the Rolex Oysterdate Precision 7835. On milanostraps.it, a selection of handcrafted straps in alligator, calfskin, and rubber is available, all cut to 18mm and fitted with either a pin buckle or a steel deployant clasp.

How long does a leather strap last on a Rolex Oysterdate Precision 7835?

The lifespan of a leather strap depends on the material, tanning method, and daily use. A quality vegetable-tanned alligator strap, regularly treated with appropriate leather cream and kept away from excessive moisture, can last between 3 and 7 years. Shell cordovan, owing to its dense fibre structure, tends to have a longer service life. Casati Milano straps carry an 18-month guarantee against manufacturing defects.

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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The atelier's website: casatimilano.com