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Modern reissue faithful to the 1957 original proportions and Cal 321; draws serious collectors who want a 38.6mm Speedy with period-correct movement.

Mass-producedmost sought#5 in familyOfficial press photos

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In-house manufacture caliber · caliber Omega Cal. 9906: Co-Axial Master Chronometer manual-wind, 21,600bph, 60h PR; METAS-certified, anti-magnetic; recreated for Speedmaster 57 re-edition · 60h power reserve (2.5 days)
Medium-large: suits wrists 6.5 in+ (16.5 cm+)
40.5 mm case. Wears confidently on average to larger wrists. May overhang on slender builds.

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Authentication

The Broad Arrow handset and asymmetric case are the fastest visual authentication checks; any Speedmaster 57 with incorrect hands or a symmetric case is a dial or movement swap.

Known issues in the market
  • Broad Arrow hands replaced with standard Speedmaster lollipop or sword hands from other Speedmaster references.
  • Symmetric case; the 57 has a specific asymmetric case shape with extended lugs on one side that is not shared with the standard Speedmaster Professional.
  • Cal. 9906 manual-wind replaced with automatic movement; any Speedmaster 57 that winds automatically is a movement swap.
AreaWhat to checkWhat is correctRed flag
handsBroad Arrow handsetHour and minute hands have the distinctive broad arrow shape from the 1957 original; seconds hand has appropriate vintage-style tip; all hands have correct luminova fillLollipop seconds hand from standard Speedmaster Professional; sword-style hands from modern Speedmaster references; hands with incorrect lume color
caseAsymmetric case with stepped bezelCase is asymmetric with the crown-side extended; stepped bezel profile; lugs at specific angle matching 1957 Broad Arrow geometry; 40.5mmSymmetric case indicating standard Speedmaster Professional case with Speedy 57 dial installed; stepped bezel with wrong profile angle
dialVintage-style register layout and textThree subdials with vintage-correct register positions; "SPEEDMASTER" text in vintage font; chronograph track with correct tachymeter or minutes trackModern Speedmaster Professional dial text in a Speedy 57 case; incorrect register positions; mixed-era typography
movementCal. 9906 manual-windCal. 9906 is manual-wind Co-Axial Master Chronometer; no automatic rotor; movement winds from the crown only; METAS certificationAutomatic winding weight (rotor) visible or audible; any movement other than Cal. 9906 in this case
crystalHesalite crystal (standard) or sapphire (optional)Standard configuration uses hesalite (acrylic) crystal; warm reflection, slightly curved; sapphire is an available option; both are factory-correctSapphire crystal presented as hesalite or vice versa when documentation specifies one type; crystal that shows incorrect reflections for its stated type
Common legitimate replacements
  • Hesalite crystals scratch and are commonly replaced; hesalite replacements are acceptable but sapphire upgrades are a modification.
  • Manual-wind movements require regular service; service records from Omega or authorized watchmakers support value.
  • Broad Arrow hands are specific to this reference and not interchangeable with standard Speedmaster hands; replacements should be Omega-sourced.
Expert resources: Omega Museum serial database for Cal. 9906 production. OmegaForums.net Speedmaster 57 thread. SpeedmasterForum.com for Broad Arrow handset identification. Asymmetric case measurement guides available in collector community.

Authentication guide

Last reviewed June 2026

The current Speedmaster '57 is a 2022 reissue using the in-house cal. 9906 Master Chronometer manual-wind -- not the original external-crown cal. 321 architecture. The asymmetric case with the crown at 9 o'clock and pushers at 2 and 4 is the period-faithful design. Sapphire crystal front and back is correct for the modern version -- unlike the Speedmaster Professional (ref. 310.30.42.50.01.001) which uses hesalite on the front. The broad arrow hour and minute hands on the '57 are another distinguishing feature from the straight-baton hands of the Professional: the '57 has wide triangular-tipped arrowhead hands as a period tribute. Any standard baton hands on a claimed '57 indicate a parts swap.

Known reproduction risks

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MEDIUM

Confusion with the vintage 1957 original

  • Sapphire crystal vs. acrylic -- the 2022 reissue has sapphire, the 1957 original had acrylic
  • "Cal. 9906" on a caseback of a watch sold as an original 1957 piece -- the 1957 used external-crown architecture
  • METAS certification text -- does not appear on vintage examples

This is a misrepresentation risk in both directions: the 2022 reissue sold as a period original, or a period original sold as having the modern caliber. Sapphire vs. acrylic is the fastest check.

Dial variants by era

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EraDescriptionIdentifiers
2022 to present (cal. 9906)The 2022 Speedmaster '57 has a stepped dial with a slightly domed outer ring referencing the 1957 original. Black, silver, blue, and green variants produced. The tachymeter scale is on the bezel as a polished steel insert, not aluminum. Cal. 9906 is manual-wind, METAS-certified.
  • Stepped dial architecture with raised outer ring -- tribute to 1957 original
  • "Speedmaster '57" text on the dial confirming the specific reference
  • "Co-Axial Master Chronometer" designation
  • Tachymeter scale on the polished steel bezel insert
  • No date window -- the 2022 '57 is time-only plus chronograph
  • Sapphire crystal with anti-reflective coating

Service part flags

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Caliber identity

Original: Cal. 9906 is a manual-wind Co-Axial Master Chronometer chronograph. It is not the cal. 321 -- the two are architecturally different. Cal. 9906 is METAS-certified and has a silicon balance spring. The caseback shows the caliber number, and the movement bridge architecture is specific to the 9906.

Replacement tells
  • Cal. 321 inside a 2022 '57 case -- the 9906 is the correct caliber for this reference
  • Automatic rotor visible inside -- the '57 is manual-wind only
  • Movement bridge layout does not match the documented 9906 architecture
Crystal

Original: Sapphire crystal front and back with anti-reflective coating on both sides. The acrylic (hesalite) crystal associated with the vintage '57 is not used on the 2022 reissue. This distinguishes the modern '57 from the current Speedmaster Professional (ref. 310.30.42.50.01.001), which retains hesalite on the front as its defining specification. On the '57, sapphire is correct on both surfaces.

Replacement tells
  • Hesalite (acrylic) front crystal on a 2022 '57 -- hesalite is the Professional specification, not the '57
  • No anti-reflective coating on the inner crystal surface
Broad arrow hands

Original: The 2022 '57 uses broad arrow hour and minute hands -- wide triangular-tipped arrowhead profiles as a tribute to military-specification watch history. These are distinct from the straight baton hands used on the Speedmaster Professional. Any baton hands on a claimed '57 indicate a parts swap.

Replacement tells
  • Straight baton or stick hands on a claimed '57 -- baton hands belong to the Professional family
  • Alpha or dauphine hands -- neither is correct for the '57
  • Broad arrow profile present but in the wrong metal finish for the case specification
Steel tachymeter bezel

Original: Polished steel bezel insert with the tachymeter scale. The 1957 original used an aluminum insert, but the 2022 reissue uses steel with a specific polish and numeral depth.

Replacement tells
  • Aluminum insert on a 2022 '57 -- incorrect material for this reference
  • Numerals shallower or differently finished than the polished steel specification

Case back markings

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2022 to present
  • Caliber 9906 designation
  • "CO-AXIAL MASTER CHRONOMETER" and "METAS" certification text
  • "50 M / 166 FT" water resistance
  • Case reference and serial number
  • "OMEGA" and "SWISS MADE"
  • Solid caseback -- no display caseback on the standard '57

Movement tells

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  • Cal. 9906 winds manually via the crown at 9 o'clock. Winding resistance builds progressively from an empty mainspring. A crown that turns with no resistance from fully unwound has a mainspring issue.
  • Power reserve is 60 hours. The chronograph should start and stop instantly with the pushers at 2 and 4. Any lag in the seconds hand on start is a clutch issue.
  • The silicon balance spring means the watch is highly anti-magnetic. A watch that gains or loses significantly in a magnetized environment (near speakers, bag clasps) may have had the balance spring replaced with a standard steel part.
Sources: Hodinkee Speedmaster '57 2022 review; Omega Speedmaster official.

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