Rolex Datejust 41 Strap Guide (126300, 126334, 126331, 126333): 21 mm Lugs and Rubber Strap Options
Short answer: every current Rolex Datejust 41 (references 126300, 126334, 126301, 126303, 126331 and 126333) has a 41 mm case and a 21 mm lug width. The Datejust 36 (1262xx) uses 20 mm, so a 36 mm strap will not sit correctly on a 41 mm case. Pick the strap by reference, not by the word "Datejust" alone.
Datejust 41 references at a glance
| Reference | Case material | Bezel | Case | Lug width |
|---|---|---|---|---|
| 126300 | Oystersteel | Smooth | 41 mm | 21 mm |
| 126334 | Oystersteel and white gold | Fluted | 41 mm | 21 mm |
| 126301 / 126331 | Everose Rolesor (steel and Everose gold) | Smooth / Fluted | 41 mm | 21 mm |
| 126303 / 126333 | Yellow Rolesor (steel and yellow gold) | Smooth / Fluted | 41 mm | 21 mm |
| 126200 / 126234 (Datejust 36) | Oystersteel / white Rolesor | Smooth / Fluted | 36 mm | 20 mm |
Case size and reference numbers are from Rolex's official Datejust 41 pages; the 21 mm lug width is the figure listed by pre-owned dealers such as WatchCharts and by strap makers that publish per-reference fit data. If your Datejust is older than 2016 (for example 116300, 116334 or the 116200-series 36 mm), check the lug width guide and measure before ordering.
Which strap fits a Datejust 41
- Lug width: 21 mm at the lugs. A 20 mm strap will leave a visible gap on each side; a 22 mm strap will not go in.
- End shape: the Datejust case is rounded between the lugs, so a curved-end strap shaped for the 41 mm case closes the gap at the lugs. A flat, straight-end strap will fit the lug width but shows a crescent of light at the case.
- Attachment: standard spring bars, no proprietary system. Our spring bar tool ($13) is all you need for the swap.
- Buckle: Lugline Datejust 41 straps come with a pin buckle in silver, black, gold or rose gold so the buckle can match a Rolesor case.
Lugline straps made for the Datejust 41
Our Datejust strap collection includes curved-end rubber straps in 21 mm, cut for the 41 mm case, at $79. Four popular picks:
- Black rubber strap for the Datejust 41 – the everyday choice for an Oystersteel 126300 or a fluted-bezel 126334.
- Navy blue rubber strap – pairs with the bright blue and slate dials.
- Green rubber strap – for the mint green and olive dials, or as a contrast on a silver dial.
- Brown rubber strap – a softer look for Everose Rolesor references with a gold buckle.
Every product page shows the exact lug width and end type in the Fits box, and the Strap Finder lets you start from your reference number.
Three mistakes to avoid
- Buying a 36 mm strap for a 41 mm watch. They differ by a full millimetre at the lugs and the case curvature is different.
- Ordering a 22 mm strap and planning to force it. Spring bars sit in fixed holes; forcing a wider strap bends the bars and can scratch the inside of the lugs.
- Ignoring the clasp. A rubber strap with a pin buckle replaces the bracelet and its Oysterclasp completely. If you want to keep the folding clasp, look for an integrated strap designed for your clasp instead.
Brand and model names are used only to describe compatibility. Lugline is an independent brand and is not affiliated with, endorsed by or sponsored by Rolex SA. Watch not included.