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In-house manufacture caliber · caliber Rolex Cal. 3230: in-house automatic, 28,800bph, 70h PR, 31j; Chronergy escapement, Parachrom hairspring; no-date variant used in Submariner 124060 · 70h power reserve (2.9 days) · see-through caseback
Medium-large: suits wrists 6.5 in+ (16.5 cm+)
40 mm case. Wears confidently on average to larger wrists. May overhang on slender builds.

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Authentication

The 126900 reference number on caseback distinguishes the 2022-generation Air-King from the 116900; verify the reference matches what is described.

Known issues in the market
  • Sellers may represent the newer 126900 as the older 116900 or vice versa; reference number on caseback is definitive.
  • The aviation dial layout (large Arabic numerals at 5-minute marks) is the visual signature; any dial without this layout is not an Air-King.
AreaWhat to checkWhat is correctRed flag
casebackReference 126900 engraved on caseback126900 reference number clearly engraved; case profile and crown guard configuration consistent with 2022-generation Air-KingReference 116900 on a watch represented as a 126900; any reference number inconsistency with described configuration
dialAviation dial layout with large Arabic numeralsLarge Arabic numerals at 12, 3, 6, 9 with Arabic numeral marks at 5-minute intervals; 60-second outer track presentStandard Rolex index dial without aviation numeral layout; any dial modification removing the Arabic numerals
casebackCal. 3230 movementCal. 3230 visible through exhibition caseback; Chronergy escapement confirms current-generation movement without dateDate window visible on any Air-King (the 126900 has no date); any caliber other than 3230
Common legitimate replacements
  • The Oyster bracelet clasp should be signed Rolex Oysterlock; unsigned or replacement clasps are common.
Expert resources: Rolex Air-King 126900 product documentation. Rolex Cal. 3230 technical specifications.

Authentication guide

Last reviewed June 2026

The 126900 is the 2022-generation Air-King, replacing the 116900. The case grew to 40mm and Cal. 3230 (the no-date version of the 3235 family) replaced Cal. 3131. The dial design is refined but retains the mixed numeral layout. The yellow Rolex crown and green "ROLEX" text are defining elements.

Known reproduction risks

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HIGH RISK

Replica 126900 with incorrect dial color treatment

  • The yellow crown and green "ROLEX" are a specific color combination; replicas often use a slightly different green shade or a white crown instead of yellow
  • The five-minute marker color on replicas is frequently a different shade of yellow or orange than the genuine dial
  • Arabic numeral sizing relationships are hard to replicate exactly; close inspection reveals proportion differences
MEDIUM

116900 dial in a 126900 case

  • The 116900 dial has a slightly different "ROLEX" text rendering without the updated yellow crown treatment
  • A 116900 dial in a 126900 case is a parts combination that may not be obvious without documentation

Dial variants by era

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EraDescriptionIdentifiers
2022 to presentBlack dial with the same general layout as the 116900 but slightly refined typography and the updated "Rolex" text with a yellow crown logo above it.
  • Yellow Rolex crown logo above the "ROLEX" text at 12 o'clock
  • "ROLEX" in green with updated letter spacing versus the 116900
  • Large Arabic numerals at 3, 6, and 9 with yellow five-minute markers
  • Broader 40mm case with the Oyster bracelet and Oysterclasp

Service part flags

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Movement

Original: Cal. 3230 is the no-date automatic caliber in the current Rolex lineup, with 70-hour power reserve and the Chronergy escapement. The 126900 was the first Air-King to use this caliber family.

Replacement tells
  • Service documentation noting Cal. 3131 (used in 116900) in a stated 126900
  • Power reserve significantly under 70 hours suggests a different caliber or mainspring issue

Case back markings

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2022 to present
  • Solid steel caseback
  • Engraved: ROLEX OYSTER PERPETUAL AIR-KING
  • Rolex crown at center
  • Reference 126900 and serial between the lugs

Movement tells

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  • Cal. 3230 achieves the Superlative Chronometer standard at -2/+2 seconds per day. Rate deviations significantly outside this range on a recently serviced example suggest the movement needs attention.
  • No date function at any crown position is correct; the 126900 is no-date. A quickset function that pops out to a date-correction position indicates a wrong movement.
Sources: Rolex Air-King product page; RolexForums -- 126900 Air-King thread.

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