quattro[Moderator]
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The Platinum Omega Speedmasters
Omega made the first ever Platinum Speedmaster in 1994. Since then, several models have been launched.
Here they are (hopefully all of them), in chronological order.
Best, Emmanuel
A/ 1994 - 25th Anniversary of Apollo XI Speedmaster in Platinum
42mm (diameter) × 47.5mm (lug-to-lug) × 13.5mm (thickness)
1/ Skeleton only (no diamonds)
Both references below are 50 pieces only and powered by Caliber 867, a version of the famous caliber 861 skeletonized and decorated by Armin Strom
a/ Ref. 3096.30.00 (with bracelet)




credit: @ribero.inc & nobeluhren-store.de
b/ Ref. 3097.30.00 (with strap)

credit: Fratello (1-3) & CoinWatchCo
2/ Skeleton & Diamonds
10 pieces only (5 with bracelet, 5 with strap), 42 mm case
a/ Ref. 3098.30 (bracelet with 80 additional baguette diamonds)


credit: @alfredoparamico & fratello
b/ Ref. 3099.30 (leather strap)
NB: no photos found, unfortunately. Instead, some data collected by MoonWatchOnly:

B/ Early 2000s - Speedmaster Broad Arrow Skeleton in Platinum
Ref. 3658.50.31
42 mm case, 21 pieces only, caliber 3303

credit: @luxuryvintage.hk (1-2), @mingwatchchannel &
Christie's (last photo)
Below: the Broad Arrow ref. 3658.50.31 with ref. 3096.30.00 (the first platinum model, which is at the beginning of this thread)
@luxuryvintage.hk
C/ 2003 - Speedmaster Moonphase Skeleton in Platinum
Ref. 3688.30.32 only with leather strap
42 mm case & Caliber 3604 based worked on by Armin Strom - Limited to 57 pieces (referring to the first year of the Speedmaster - 1957)








credit: the watch club London
D/ 2009 - 40th Anniversary of Apollo XI
Ref. 311.90.42.30.01.001
69 pieces - the medallion on the dial and case back are made of yellow gold - caliber 1861 movement

credit: fratello (1), Christie’s (2-3) &
Prestige.com
E/ 2011 - Speedmaster Co-Axial Chronometer Chronograph
Ref. 311.93.44.51.01.002
44.25 mm case and enamel dial (applied indexes on the dial are made of white gold and the subdials have white enamel elements). Caliber 9301 with gold rotor and balance bridge
Very rare model: only one photo, so I inserted the calibre & technical sheet


credit: fratello & Omega
F/ 2016 - Speedmaster Moonphase Co-Axial Master Chronometer
1/ Ref. 304.93.44.52.99.001, limited edition of 57 pieces
44.25 mm case, platinum dial and red ceramic bezel, caliber 9905 movement certified by METAS

credit: fratello
2/ Gem indexes models with bracelet
- Rubies, red bezel, ref. 304.90.44.52.99.001
- Emeralds, green bezel, ref. 304.90.44.52.99.002
- Diamonds, blue bezel, ref. 304.90.44.52.99.003



credit: Fratello
3/ Gem indexes models with strap
- Rubies, red bezel & strap, ref. 304.93.44.52.99.002
- Emeralds, green bezel & strap, ref. 304.93.44.52.99.003
- Diamonds, blue bezel & strap, ref. 304.93.44.52.99.004

credit: hodinkee
G/ 2019 - Platinum Speedmaster Professional Calibre 321
Ref. 311.93.42.30.99.001
42 mm case, Black onyx dial with white gold applied indexes and hands & three meteorite subdials

Below: left, a reference 2998 also powered by calibre 321
Below: right, Vacheron Constantin's calibre 1142 (in the Hodinkee edition of the Cornes de Vache), which is, like the 321, an interpretation of the Lemania caliber 2310:

credit: @wesleyvs_watches (1), Hodinkee, the eclecticum (signed photos) & Fratello (signed photo)