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Caliber 3220

Speedmaster Reduced 3510.50 — Caliber 3220

Undated

Later Reduced after the change from 1140 to 3220.

Later Speedmaster Reduced on its steel bracelet: black dial with white luminous markers, “Automatic” text, three sub-dials and a black tachymetre bezel. The lot gives caliber 3220 and a 1990s date. · Photo: Antiquorum · © Antiquorum, used with permission · Source: https://catalog.antiquorum.swiss/en/lots/omega-ref-3510-50-00-speedmaster-reduced-lot-341-277

Identifying details

No named details recorded yet.

Variants of 3510.50

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Variant	Production
Caliber 1140	Undated
Caliber 3220Current	Undated

Case & movement

Reference: 3510.50
Production: Undated
Case material: Stainless steel
Case diameter: 39 mm
Movement: Automatic
Caliber: Omega 3220

Dial, bezel & hands

Unknown attributes are left out rather than guessed.

Movement

Omega 3220

ETA 2890-A2 with Dubois-Dépraz 2020 module under a later designation, used in the Speedmaster Reduced after the 1140.

Automatic

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Omega Speedmaster Reduced 3510.50 Caliber 3220 · The Index