The Omega Speedmaster Professional Moonwatch is an icon, a legend etched in the annals of horological history. Its association with NASA's Apollo missions cemented its status as more than just a watch; it's a symbol of exploration, precision, and enduring style. However, the modern Speedmaster range offers variations beyond the classic 42mm size, notably the more compact 39mm model. This article delves deep into the comparison between the Omega Speedmaster 39mm and 42mm, exploring their key differences, advantages, and ultimately, helping you decide which size best suits your wrist and preferences. We'll also touch upon related search terms like "pre-owned Omega Speedmaster reduced," "Omega Speedmaster reduced price," "Omega Speedmaster reduced for sale," "Omega Speedmaster reduced bezel," "Omega Speedmaster reduced 39mm," "Omega Speedmaster first in space," "Omega Speedmaster reviews," and "Omega Speedmaster reduced new."
The Contenders: A Closer Look at Specifications
Before we dive into the subjective aspects, let's lay out the objective differences between the two sizes, focusing on the key specifications you'll find relevant:
* Omega Speedmaster Professional 39mm (e.g., 324.30.38.50.01.001):
* Case Diameter: 39mm
* Case Thickness: 14.7mm
* Lug-to-Lug: 44.7mm
* Lug Width: 18mm
* Water Resistance: 100m (330ft)
* Movement: Cal. 3330 (manual-winding)
* Power Reserve: 52 hours
* Weight: Approximately 139 grams
* Approximate Price (New): $5,300 (prices may vary depending on retailer and specific model variations)
* Omega Speedmaster Professional 42mm (e.g., 310.30.42.50....): Note that the 42mm Speedmaster comes in numerous variations, including different movements (manual-wind, automatic), materials (stainless steel, platinum, etc.), and dial variations. The specifications listed below represent a common, baseline model. Specific details will vary.
* Case Diameter: 42mm
* Case Thickness: (Varies slightly depending on the specific model, but generally around 13-15mm)
* Lug-to-Lug: (Varies slightly depending on the specific model, but generally around 48-50mm)
* Lug Width: 20mm
* Water Resistance: 50m (165ft) or 100m (330ft) depending on the model.
* Movement: Varies (Manual-wind Cal. 1861/1863 or Automatic Co-Axial movements)
* Power Reserve: Varies (48 hours for Cal. 1861, longer for automatic movements)
* Weight: Approximately 150-170 grams (depending on the material and movement)
* Approximate Price (New): $6,000+ (prices vary significantly depending on the model and retailer)
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