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Omega Speedmaster Ref. ST105.012321 with Cal. 861 in Stainless Steel
Omega Speedmaster Ref. ST105.012321 with Cal. 861 in Stainless Steel Omega Speedmaster Ref. ST105.012321 with Cal. 861 in Stainless Steel Omega Speedmaster Ref. ST105.012321 with Cal. 861 in Stainless Steel Omega Speedmaster Ref. ST105.012321 with Cal. 861 in Stainless Steel Omega Speedmaster Ref. ST105.012321 with Cal. 861 in Stainless Steel Omega Speedmaster Ref. ST105.012321 with Cal. 861 in Stainless Steel Omega Speedmaster Ref. ST105.012321 with Cal. 861 in Stainless Steel Omega Speedmaster Ref. ST105.012321 with Cal. 861 in Stainless Steel Omega Speedmaster Ref. ST105.012321 with Cal. 861 in Stainless Steel Omega Speedmaster Ref. ST105.012321 with Cal. 861 in Stainless Steel
Lot 130
Omega

Speedmaster Ref. ST105.012321 with Cal. 861 in Stainless Steel

Ref. ST105.012321
ResultPassed
Total bids8
EstimateCHF 3'000 – 6'000
LocationFreeport, Zurich
  • No buyer’s premium

Reasons to Bid

This Speedmaster Ref. 145.022-76 ST represents the late-1970s continuation of the Moonwatch line, retaining the classic case shape, dial layout, and hand design associated with NASA-era Speedmasters. The watch is powered by the Caliber 861, a reliable movement used by Omega for decades before being replaced by the Caliber 1861. As a well-preserved example of a reference produced for only a limited period, it offers an accessible entry into collecting vintage Speedmasters while maintaining the historical continuity of the model.

CaseSpeedmaster case in stainless steel with chronograph pushers at 2 and 4 o'clock, winding crown at 3 o'clock, solid caseback with engraving
Bracelet3-link bracelet in stainless steel with folding clasp, maximum wrist circumference: 19.5cm
DialMatte black dial dial with tritium luminous indices, tritium luminous hands, small seconds at 9 o'clock, 12 hour chronograph counter at 6 o'clock, 30 minute chronograph counter at 3 o'clock, signed 'Omega' at 12 o'clock
MovementHand-wound mechanical movement Cal. 321, functions: hours, minutes, seconds, chronograph
Cal.861
Ref.ST105.012321
Case No.24.531.621
Diameter:42mm
Lug-to-lug48mm
Case:Good, signs of wear
Bracelet:Good, signs of wear
Dial:Good, patination and discoloration
Movement:Good, all functions working properly
Amplitude (Dial on top/Lift angle 52):Approximately 265°
Accuracy (Dial on top):Approximately +10 sec/day
Extract from archives:Yes
International
Shipment & Pickup Customs duties and taxes may apply. Ships from: Zurich, Switzerland Authenticity
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