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Spacemaster Z‑33 Chronograph 43 x 53 mm

Titanium on Rubber strap



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This OMEGA Speedmaster Spacemaster Z-33 was inspired by the brand’s iconic "Pilot Line" case shape and equipped with a brand new multifunction quartz movement, calibre 5666. Floating above the digital dial is a set of analogue timekeeping hands that are adjusted by the crown at 3 o’clock.

Surrounding the watch are four pushers that, along with the crown, allow full control over the array of digital features. For keeping track of the time these include date, UTC and two time zones, an alarm and a perpetual calendar.

Elapsed time is measured with a chronograph function and a countdown timer. There are also self-programmable professional pilot functions to log up to ten flights and visualise those logs with date-hour indications. The case is manufactured from grade 5 titanium. This model is presented on a black rubber strap.

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  • Alarm

  • Chronograph

  • Multifunction

  • Perpetual calendar

  • Time zone function


  • Total product weight (approx.): 131 g
  • Between lugs: 21 mm
  • Thickness: 19.9 mm
  • Case: Titanium
  • Case diameter: 43 mm
  • Water resistance: 3 bar (30 metres / 100 feet)

Dial and Crystal

  • Dial color: Black
  • Crystal: Scratch‑resistant sapphire crystal with anti‑reflective treatment on both sides


  • Strap type: Rubber strap
  • Strap color: Black
  • Strap surface: Rubber
  • Buckle type: Foldover clasp
  • Buckle material: Titanium


  • Caliber: OMEGA 5666
  • Highly precise thermo‑compensated multi‑functional quartz movement with dedicated pilot functions developed in consultation with professional pilots. It powers the Omega Spacemaster Z‑33 whose analog hands and LCD windows display, among other values: time, UTC, chronograph, alarm, perpetual calendar and function menu.
  • Battery life: 24 months
  • Type: Quartz

Key materials

  • Material - Grade 5 Titanium

    Grade 5 Titanium

  • Material - Sapphire Crystal

    Sapphire Crystal

Grade 5 Titanium

Titanium alloys are light, corrosion-resistant, biochemically inert and able to withstand extreme temperatures. These properties make them particularly appropriate for products in the aircraft, spacecraft and medical sectors. They achieve the perfect balance between solidity, corrosion-resistance and workability. Grade 5 titanium offers a bright grey colour that is close to that of stainless steel, and suits both "brushed" and "polished" finishing.

Sapphire Crystal

To really appreciate the finer details of a timepiece, OMEGA uses synthetic sapphire crystal with a highly scratch-resistant and anti-reflective treatment. Before the machining and finishing processes take place, the sapphire crystals are produced under the Verneuil process, also called flame fusion. It involves the melting of the raw substance using oxyhydrogen flame and the crystallisation of the melted droplets to form a cylinder. Graded 9 on the Mohs-hardness scale (graded 1-10), the resulting sapphire crystals are virtually scratch-proof and very hard, ensuring an unhindered vision at all times.

"The OMEGA Spacemaster Z-33 : welcome to a world of discovery !"
  • Speedmaster Spacemaster Dark Dial view
    The black LCD screen with red segments is illuminated by the LED backlight which adapts automatically to ambient luminosity. Night legibility is impressively facilitated by the strong luminescent material on the large white hour and minute hands and the hour markers on the dial.
  • Speedmaster Spacemaster Caseback
    Continuing the watch's high-tech feel is the titanium casebody with a double-wall caseback. The inner caseback ensures water resistance to 3 bar (30 metres / 100 feet) while the outer one acts a resonance chamber to amplify the sound of the alarm. It features a brightly polished Seahorse, ‘Ω’ and ‘Speedmaster’ inscriptions against a mat background.
  • Speedmaster Spacemaster Side View
    Complementing the analog hour, minute and seconds hands, the digital features can be controlled by the crown and by four pushers. Among these are UTC plus two time zones, an alarm and a perpetual calendar. There is also a chronograph function and a countdown timer.

Instruments - Spacemaster Z-33

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Variations Spacemaster Z‑33 Chronograph 43 x 53 mm

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