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Rolex — Datejust 31

Also known as: Computer, Datejust 31

DocumentedSupported by at least one credible specialist source.

Record status

Documented family · partial

Period

2020–2022 (sampled references)

Maker / issuer

Rolex

Datejust 31 is a wristwatch family made by Rolex. Production years recorded for the sampled references run from 2020 to 2022. Recorded movements are Rolex caliber 2235 and Rolex caliber 2236, with functions including hours, minutes, seconds, date and chronometer.

The sampled references record case diameters of 31 mm, cases in yellow gold and water resistance of 100 m. Reference examples: ref. 178158-0007 (Datejust 31 Yellow Gold Diamond / President / Champagne Computer; 31.00 mm); ref. 278344RBR-0038 (Datejust 31 Stainless Steel / Domed - Diamond / Blue - Floral / Oyster; 2022; 31.00 mm); ref. 278384RBR-0016 (Datejust 31 Stainless Steel Diamond / Jubilee / Silver; 2020; 31.00 mm).

Evidence at a glance

Linked sources
2
Photograph views
3
Catalogue references
4

Counts describe this entry’s documentation, not authenticity, rarity or completeness. Photographs may show one specimen; check each caption and licence.

Physical characteristics

Bezel
Gem-Set
Crystal
Sapphire
Case back
Closed
Lug width
16 mm
Case shape
Round
Case materials recorded
Yellow Gold
Case diameter (sampled references)
31 mm

Technical characteristics

Functions recorded
Hours, Minutes, Seconds, Date, Chronometer
Movements recorded
Rolex caliber 2235 · Rolex caliber 2236
Production years recorded
2020–2022
Water resistance recorded
100 m

Design

Hands
Stick
Hour markers
Gem-Set Indexes, None, Stick / Dot
Nicknames recorded
Computer
Dial colours recorded
Champagne, Blue, Silver

Identification

How to identify
The reference number, usually found on the case back, between the lugs or on papers, ties a watch to one of these configurations; movement calibre, case material and dial together separate references within the family.
Family as listed
Datejust 31
References sampled
178158-0007 — Datejust 31 Yellow Gold Diamond / President / Champagne Computer 278344RBR-0038 — Datejust 31 Stainless Steel / Domed - Diamond / Blue - Floral / Oyster 278384RBR-0016 — Datejust 31 Stainless Steel Diamond / Jubilee / Silver
Distinguishing features
Reference number, movement calibre, case material and dial colour together
Representative reference
178158-0007
Source note
All figures follow WatchBase and describe only the references sampled here; they have not been checked against the manufacturer's archive. WatchBase, an online database of watch references, lists 1171 references under this family name; this entry summarises 3 of them, chosen across that list, including the reference originally recorded for this entry. The reference list, calibres and case specifications summarised above come from WatchBase; the manufacturer's own archive or a printed reference work should be consulted before treating any detail as definitive. That figure is not necessarily the family's introduction date: earlier references may exist outside the sample, and WatchBase coverage of discontinued models is uneven.

Catalogue references

Varieties

  • Ref. 178158-0007 — Datejust 31 Yellow Gold Diamond / President / Champagne Computer

    Rolex caliber 2235; 31.00 mm yellow gold; Champagne dial. Source: WatchBase.

  • Ref. 278344RBR-0038 — Datejust 31 Stainless Steel / Domed - Diamond / Blue - Floral / Oyster

    produced 2022; Rolex caliber 2236; 31.00 mm; Blue dial. Source: WatchBase.

  • Ref. 278384RBR-0016 — Datejust 31 Stainless Steel Diamond / Jubilee / Silver

    produced 2020; Rolex caliber 2236; 31.00 mm; Silver dial. Source: WatchBase.

Research required

  • Research Required: confirm the family's introduction date, full reference list and production span against the manufacturer's archive or a printed reference; WatchBase figures cover only the sampled references.
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