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Rolex Day-Date 36 118138

From Rolexopedia

Day-Date › 118138

Rolex Day-Date 36 118138 in yellow gold; the fluted bezel and cognac dial on a brown alligator strap, the dressier strap-mounted Day-Date.
Rolex Day-Date 36 118138 in yellow gold; the fluted bezel and cognac dial on a brown alligator strap, the dressier strap-mounted Day-Date.

The 118138 is the yellow-gold, leather-strap Day-Date 36. It uses the fluted case of the 118238 with an alligator strap and gold deployant clasp in place of the President bracelet. Rolex introduced the strap-mounted Day-Dates at Baselworld 2013, with cognac and green among the first dial colours. It uses caliber 3155 in a 36mm case; catalogues place the reference in the 2013–2019 period.


Core facts

detail value
reference 118138
family Day-Date (Day-Date 36, 6-digit)
production 2013 to about 2019
movement caliber 3155, 31 jewels, 28,800 vph, ~48h, double quickset, Parachrom hairspring, COSC
case 36mm 18k yellow gold
crystal sapphire
bezel fluted
strap alligator leather strap with an 18k gold Crownclasp deployant
dial champagne, silver, black, white Roman, green, cognac, mother-of-pearl, diamond-set
crown Twinlock screw-down
siblings 118238 (President bracelet), 118208 (smooth, President/Oyster); 118139 (white-gold strap), 118135 (Everose strap)
successor no plain fluted-bezel equivalent; the caliber-3255 strap Day-Date 36 references (128158RBR, 128159RBR, 128155RBR, from 2021) are fully gem-set

Where it sits in the line

The 118138 is the yellow-gold strap member of the 6-digit Day-Date 36 line. The 118238 uses the same fluted case on a President bracelet; the 118138 replaces that bracelet with an alligator strap and a gold deployant clasp. The white-gold strap version is 118139 and the Everose version is 118135. Rolex added these strap references at Baselworld 2013, alongside the bracelet references 118238, 118208 and 118235.

Production outline

The 118xxx Day-Date 36 generation began in 2000; the leather-strap references arrived at Baselworld 2013. Archived catalogues and contemporary launch coverage place the 118138 in the 2013–2019 period. The later 3255 generation retained bracelet versions. Rolex brought back strap-mounted Day-Date 36 models in 2021 as the fully gem-set 128158RBR, 128159RBR and 128155RBR. The available sources do not show a plain fluted-bezel strap replacement for 118138, and Rolex has not published a production total.

Movement notes

The 118138 uses caliber 3155, the double-quickset Day-Date movement. Published technical references list 31 jewels, 28,800 vph, about 48 hours of power reserve, COSC certification and a Parachrom hairspring. The day and date set from the crown. The bracelet-mounted 118238 uses the same caliber.

Dial map

Rolex 118138 white Roman dial on green strap
A white Roman dial on a green alligator strap, one of the colour combinations shown for the strap models.

Contemporary 2013 coverage lists cognac and green dials for the yellow-gold strap model, with other catalogued examples in champagne, silver, black and white Roman, mother-of-pearl, and diamond-set configurations. Dial and strap colours were often paired, but a dial or strap seen on one example does not establish the full factory option list. The broader Day-Date dial taxonomy is covered on the 1803 entry.

Case, bezel, crystal, and crown

The case is the 36mm yellow-gold Oyster of the 6-digit Day-Date, with the broader lugs of that generation, a sapphire crystal and Cyclops, a Twinlock screw-down crown, and the fluted bezel that is the Day-Date signature. It is the same case the President-bracelet 118238 uses, and the only structural difference sits at the lugs, which take a strap instead of an end link and bracelet.

Strap and clasp

The 118138 uses an alligator leather strap with an 18k gold Crownclasp deployant. A replacement strap can change the watch’s appearance and may not preserve the original delivery configuration, so the strap and clasp should be recorded separately when examining a used example. President-bracelet hardware is covered on Reference:Bracelets.

Market

The source set has no headline auction result for the 118138. Dealer and certified-pre-owned listings vary with dial, condition, papers, and whether the strap and clasp are original to the watch. Those listings are useful for current availability, but they do not establish a fixed price band or a universal premium for a particular dial colour.

Related references

See also the Day-Date family index, movement reference, bracelet & clasp guide, and serial numbers by year.

Sources