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Rolex · Day-Date 36

Strap for Rolex Day-Date 36 18038

The Day-Date 18038 takes 20 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.

  • 4.8 out of 5 · 269 reviews
  • Ships in 1–3 working days
  • Worldwide shipping
  • 30-day returns
  • 12-month warranty on manufacturing defects
  • Hand-stitched in Milan

Lug width

20mm
20 mm strapsAll Rolex
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Lug width20 mm
Case diameter36 mm
Reference18038
FamilyDay-Date 36
MovementRolex caliber 3055 Hours, Minutes, Seconds | Date, Day | Chronometer
Year1978/1 - 1988
CaseYellow Gold
Spring barØ 1.8 mm · drilled lugs

Recommended spring bar

Spring Bars Rolex Day-Date 36 Gold — 20mm × 1.8mm

Verified compatibility for this reference · lug 20 mm · Ø 1.8 mm

View product →
All Rolex spring barsOpen →
Day-Date 18038 — watch

Your watch with our straps

Day-Date 36 18038 with Grand Cavalier Leather Strap Orange
Day-Date 36 18038 with Vintage Brown Calfskin Strap — Natural Patina
Day-Date 36 18038 with Brown Italian Leather Strap

Calf, Orange

Grand Cavalier Leather Strap Orange

€120

★ 4.9 · 12

See the strapAll 20 mm straps

1 / 86

Real photos of the strap and the case. No generated images.

What length do I need?

Measure your wrist with a tailor's tape or a piece of string, comfortably snug.

Wrist circumferenceLength (long side / short side)
15.0–16.4 cm120 / 70 mm
16.5–17.8 cm125 / 75 mm
17.9–19.0 cm130 / 80 mm
19.1–20.3 cm135 / 85 mm
20.4–21.6 cm140 / 85 mm
21.7–22.9 cm145 / 90 mm

The ready-to-wear strap is 115 × 75 mm. For a smaller or larger wrist I make it in the right length: order your length.

What I'm asked about the Rolex Day-Date 36 18038

What strap size does the Rolex Day-Date 36 18038 take?

The Rolex Day-Date 36 18038 needs 20 mm between the lugs. It's the size I've been fitting on it for years.

Can the strap on the Rolex Day-Date 36 18038 be changed?

Yes, and easily: the lugs are drilled, so the spring bar is pushed out from the outside with a thin pin, without opening anything. If you prefer, I do it in the workshop.

Can I put a leather strap on the Rolex Day-Date 36 18038?

Yes, in 20 mm leather. On a 36 mm case a calf strap works every day; if you want something more, alligator.

Which strap do you recommend for the Rolex Day-Date 36 18038?

A 20 mm calf strap, for every day. You'll find it ready in the 20 mm collection. If you'd rather have something built on your wrist, the Casati atelier.

More Rolex in 20 mm

For changing the strap

Classic Strap and Bracelet Removal Tooltwo-tip spring bar tool→Milano Straps Premium Swiss Standard Watch Bucklestang buckle, steel or PVD→Leather Conditioner Milano Strapsnourishes and protects the strap→Casati Milano Rectangular Epsom Leather Travel Case — Brownfor the watch and spare straps→

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.

Request an appointment →

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

Bespoke straps for Rolex, in the atelier or by video call: casatimilano.com

Updated on · by Antonio Zichichi