Omega
Speedmaster Dark Side of the Moon
Ref. 310.92.44.51.01.001
2025–present · 44.25mm · caliber Omega Cal. 9908: Co-Axial Master Chronometer, hand-wound chronograph, 28,800bph, 60h PR, 44j; column-wheel with vertical clutch, two-register (small seconds at 9H, combined 60-min/12h counter at 3H); METAS-certified, anti-magnetic to 15,000 gauss
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In-house manufacture caliber
Large case: suits wrists 7 in+ (18 cm+)
44.25 mm case. 21 mm lug width. A bold, statement-size wear. Best suited to larger wrists where the case sits flush.
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Authentication
The all-ceramic case and bezel are the primary authenticity signal; ceramic finishing quality and the Liquidmetal tachymeter scale are difficult to replicate to Omega tolerances.
Known issues in the market
- Bezel tachymeter scales cast or printed in a plain alloy rather than genuine Liquidmetal; Liquidmetal has a distinct bright, hard-edged fill against the black ceramic that plain paint or engraving cannot match.
- Ceramic case chips or hairline cracks around the lugs and pushers, which are stress points on a monobloc-feeling ceramic build; any repair on ceramic (unlike steel) leaves a visible seam.
- Cal. 9908 hand-wound movement swapped for a cheaper automatic caliber; a rotor visible through the sapphire caseback on this reference is disqualifying since the caliber is manual-wind.
| Area | What to check | What is correct | Red flag |
|---|---|---|---|
| case | Black ceramic case and bezel finish | Uniform brushed-and-polished black ceramic across case and bezel with no color variation between components; ceramic surface is glass-hard with no tool marks | Visible color mismatch between case and bezel ceramic; soft-looking finish consistent with coated metal rather than solid ceramic; any chip or crack |
| case | Liquidmetal tachymeter scale on the bezel | Tachymeter numerals inlaid in genuine Liquidmetal alloy, bright and perfectly flush with the ceramic surface | Printed, painted, or engraved-and-filled tachymeter scale instead of inlaid Liquidmetal; numerals sitting proud of or recessed into the ceramic |
| movement | Cal. 9908 hand-wound column-wheel chronograph | Manual-wind movement visible through the sapphire caseback with a matte-blackened mainplate and bridges, no automatic rotor, two-register layout (small seconds at 9, combined minute/hour counter at 3) | Automatic rotor visible through the caseback; three-register (tri-compax) layout instead of two-register; movement finish inconsistent with the black-edition treatment |
| bracelet | Rubber strap with lunar-surface pattern | Black rubber strap molded with a lunar-surface texture on the underside, ceramic foldover clasp | Smooth or generically textured strap underside; non-ceramic or unsigned clasp |
Common legitimate replacements
- Straps are the most commonly swapped component; confirm any replacement is Omega-sourced with the correct lunar-surface underside texture.
- A cracked or chipped ceramic bezel cannot be buffed out like metal; any bezel showing a repair or fill is a value-destroying replacement, not a refinish.
Expert resources: Omega.com Dark Side of the Moon collection page for current-generation case and movement specifications. OmegaForums.net Speedmaster sub-forum for ceramic-case Speedmaster identification threads.
