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Omega Speedmaster Professional ST 105.012 — Same family, reference not stated, not this exact reference. Photo: Shane Lin, Wikimedia Commons, CC BY-SA 2.0 (https://creativecommons.org/licenses/by-sa/2.0). Resized and converted to AVIF and WebP. Added a depth map and background fill derived from the photo, released under the same licence. Source

Omega, Chronograph

Speedmaster Professional

Ref. ST 105.012, 1963, Discontinued

Same family, reference not stated

The reference Buzz Aldrin wore on the lunar surface in July 1969.

Price not verified yet

We only publish a price with a source and a date.

Diameter: 42 mm
Water resistance: 50 m
Movement: Hand-wound
Material: stainless steel

Specifications

Case

Diameter: 42 mm
Thickness: Not confirmed
Material: stainless steel
Shape: round
Water resistance: 50 m

Movement

Movement: Hand-wound
Calibre: 321
Power reserve: Not confirmed
Frequency: Not confirmed
Jewels: Not confirmed
Complications: hours, minutes, small seconds, chronograph, tachymeter

Dial and strap

Dial: matte black
Markers: batons
Date: No
Bezel: tachymeter, black
Strap: Not confirmed

Record

Line: Speedmaster
Year: 1963
Status: Discontinued
Range: Luxury

Alternatives

Omega Speedmaster Professional ST 145.012

Speedmaster Professional

ST 145.012Photo: Shane Lin, CC BY-SA 2.0

No price yet

Omega Speedmaster "Silver Snoopy Award" 50th Anniversary 310.32.42.50.02.001

Speedmaster "Silver Snoopy Award" 50th Anniversary

310.32.42.50.02.001Same family: ref. 311.30.42.30.01.005Photo: Daniel Zimmermann, CC BY 2.0

€11,600

Omega Speedmaster Moonwatch Professional (Hesalite) 310.30.42.50.01.001

Speedmaster Moonwatch Professional (Hesalite)

310.30.42.50.01.001Same family: ref. 311.30.42.30.01.005Photo: Daniel Zimmermann, CC BY 2.0

€7,600

Why it matters

Asymmetrical case with crown guards
Column-wheel calibre 321
Omega lists it as ST 105.0012 in its vintage database

Sources

Record confidence: high. Anything unverified stays marked, never estimated.