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IWC Pilot’s Chronograph 41 vs. Omega Speedmaster Dark Side of the Moon

A reference-specific comparison of IWC Pilot’s Watch Chronograph 41 IW388113 and Omega Grey Side of the Moon 311.93.44.51.99.002, with the practical differences that matter when choosing.
Estimate4–5 min Catalogued SpecialistWatchRanker Team
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The IWC Pilot’s Watch Chronograph 41 and Omega Speedmaster Dark Side of the Moon (DSOTM) are both automatic chronographs, but the name “DSOTM” covers multiple references. The comparison below is specific to the IWC Pilot’s Watch Chronograph 41 IW388113 and Omega Grey Side of the Moon 311.93.44.51.99.002, the Omega reference documented in the available manual. In those examples, the IWC is a 41 mm stainless-steel watch; the Omega is a 44.25 mm ceramic watch. Which is better depends chiefly on fit, preferred materials and functions—not a universal winner.

Which references are being compared?

“Omega Speedmaster DSOTM” is a family name, not a single specification set. Case dimensions, functions, materials and pricing can vary by reference. Omega’s figures here come from the manual for the Grey Side of the Moon 311.93.44.51.99.002; they should not be applied to every Dark Side of the Moon model.

The IWC figures are for the Pilot’s Watch Chronograph 41 IW388113. IWC also offers the Chronograph 41 in other configurations, so confirm the full reference when comparing listings. The official IWC product page and Omega user manuals are the relevant manufacturer sources.

IWC Pilot Chronograph 41 vs. Omega Dark Side of the Moon: specifications

Specification IWC IW388113 Omega 311.93.44.51.99.002
Case material Stainless steel Ceramic
Case diameter 41 mm 44.25 mm
Thickness 14.5 mm Not stated in the cited manual
Strap or bracelet Stainless-steel bracelet with EasX-CHANGE system Leather strap listed in the manual
Movement Automatic IWC caliber 69385 Automatic Omega caliber 9300
Power reserve 46 hours 60 hours
Water resistance 10 bar 5 bar / 50 metres
Listed functions Day, date, small hacking seconds, chronograph hours, minutes and seconds Hour, minute, small seconds, date, time-zone function, chronograph and tachymeter
Price in cited source US$8,800, VAT excluded, on IWC’s US product page when accessed in 2026 Not stated in the cited manual

The specifications are manufacturer information for these references: IWC IW388113 and the Omega manual for reference 311.93.44.51.99.002.

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#1 Best Overall
Sale
Citizen Eco-Drive Pilot Chronograph Watch with Atomic Timekeeping, 12/24HR, Power Reserve, Luminous Hands/Markers, Sapphire Crystal - Green Dial
  • Modern, pilot-inspired Promaster timepieces equipped for professional use to discover the world from high above.
  • Synchronized to Atomic Time Clock for Superior Accuracy, Atomic Timekeeping Technology with Synchronized Time Adjustment Available in 24 Time Zones, 1 Second Chronograph Measures up to 60 Minutes, Perpetual Calendar, 12/24 Hour Time, Alarm, Power Reserve Indicator, Day / Date
  • Silver-Tone Stainless Steel
  • Sapphire Crystal
  • 200 Meters Water Resistant and 5 Year Limited Warranty

Case size and material: the main wearability question

The cited Omega is 3.25 mm wider in diameter than the cited IWC, and it uses ceramic rather than steel. Diameter alone cannot tell you how either watch will sit on your wrist: case shape, thickness, strap fit and personal preference matter too. The IWC’s listed thickness is 14.5 mm; the cited Omega manual does not establish a thickness figure.

Neither the cited product information nor the manual provides a directly comparable weight measurement. Ceramic and steel are different case materials, but that fact alone is not enough to predict how these particular watches will feel. Try both exact references on, ideally with the strap or bracelet you would wear, before deciding which is more comfortable or legible to you.

Rank #2
Casio Men's EF527D-1AV "Edifice" Stainless Steel Multi-Function Watch
  • Silver-tone watch featuring left-handed crown and black dial with 1/20-second chronograph function, slide-rotating inner bezel, and date window
  • 45.5 mm stainless steel case with mineral dial window
  • Quartz movement with analog display
  • Stainless steel band featuring fold-over push-button clasp with safety
  • Water resistant to 100 m (330 ft): In general, suitable for swimming and snorkeling, but not scuba diving

Movement, power reserve and functions

Both watches use automatic chronograph movements. IWC lists caliber 69385 and a 46-hour power reserve for IW388113; Omega’s manual lists caliber 9300 and a 60-hour reserve for reference 311.93.44.51.99.002. The Omega’s stated reserve is longer, but power reserve is only one part of a movement comparison and does not establish overall superiority.

What the functions add

  • IWC: The product page lists day and date alongside the chronograph. IWC describes caliber 69385 as a column-wheel chronograph capable of timing up to 12 hours. Its small seconds are described as hacking, meaning the seconds hand stops when the crown is pulled to set the time.
  • Omega: The manual lists a date, time-zone function and tachymeter in addition to timekeeping and chronograph functions. A tachymeter scale is used to calculate speed over a known distance from elapsed time; the time-zone function supports adjusting the displayed local time.

These distinctions may matter more in day-to-day use than the reserve difference: choose the day display, date arrangement, time-zone feature or scale that suits how you expect to use the watch.

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Rank #3
Sale
CITIZEN Men's Eco-Drive Rebel Pilot 44mm Stainless Steel CA0761-06W
  • From a long time ago in a galaxy far, far away comes the new men’s watch the Rebel Pilot, from Citizen’s Star Wars collection.
  • Dial showcases Rebel and light sideof the Force symbols and the Jedi Order logo
  • Luminous Hands, Markers, and X-fighter jet, Spherical Mineral Crystal
  • 1/5 Second Chronograph measures up to 60 minutes, 12/24 hour time, tachymeter, and date
  • 100 Meters Water resistant and 5 year limited warrenty

Water resistance and strap choices

For the exact references above, IWC specifies 10 bar and Omega specifies 5 bar (50 metres). These are manufacturer ratings, not a guarantee that either watch suits a particular water activity. Check the current manual and service guidance for the exact watch, especially before exposing it to water.

The IWC listing shows a stainless-steel bracelet with EasX-CHANGE. IWC says the system allows tool-free strap changes and its collection information lists compatible calfskin, rubber and steel options. Compatibility should still be checked for the exact model and strap. The Omega manual lists a leather strap; the cited source does not establish equivalent interchangeable-strap options for that reference.

Rank #4
AVI-8 Mens 42mm Hawker Hurricane Classic Chronograph Classic White Japanese Quartz Pilot Watch with Leather Strap AV-4011-01
  • AVI-8 - OUR STORY: The brand inspiration and design excellence originates from the collaboration between pilots and engineers who served in air forces around the world. Every collection is an explicit homage to the planes, people and history of military aviation. Each timepiece brings to life the detail and narrative of the inspiration to delight and engage the wearer.
  • THE HAWKER HURRICANE CLASSIC CHRONOGRAPH: A tribute to arguably the most iconic plane from the WW2 era. The Hawker Hurricane Classic Chronograph is characterised by a simplicity that echoes the design of its namesake. Clean, bold lines surround the dial on which the colours and graphics celebrate the fighter plane’s simple but striking motif that identified the Hawker Hurricane.
  • CHRONOGRAPH MOVEMENT: A classic timepiece that speaks across generations - a stylish men's watch with Japanese Quartz Chronograph movement and date function
  • THE FINER DETAILS: The Hawker Hurricane Classic Chronograph features a 42mm stainless steel case, a 22mm genuine leather strap, mineral lens and water resistance of 50m.
  • 2 YEARS INTERNATIONAL WARRANTY: Your AVI-8 watch is warranted against any manufacturing defect for a period of twenty-four (24) months from the date of purchase.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.Support on Ko-Fi

Price: compare the same market and configuration

When accessed in 2026, IWC’s US product page listed IW388113 at US$8,800, excluding VAT. That is a regional manufacturer listing, not an all-in price or a guarantee of today’s retail or transaction price. The cited Omega manual gives no current price for reference 311.93.44.51.99.002.

For a fair price comparison, check current listings for the exact references in the same country and currency, and account for taxes, availability, condition and included strap or bracelet. The available sources do not establish a current like-for-like price comparison.

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Quick Recap

SaleBestseller No. 1
Citizen Eco-Drive Pilot Chronograph Watch with Atomic Timekeeping, 12/24HR, Power Reserve, Luminous Hands/Markers, Sapphire Crystal - Green Dial
Citizen Eco-Drive Pilot Chronograph Watch with Atomic Timekeeping, 12/24HR, Power Reserve, Luminous Hands/Markers, Sapphire Crystal - Green Dial
Silver-Tone Stainless Steel; Sapphire Crystal; 200 Meters Water Resistant and 5 Year Limited Warranty
$620.00
Bestseller No. 2
Casio Men's EF527D-1AV 'Edifice' Stainless Steel Multi-Function Watch
Casio Men's EF527D-1AV "Edifice" Stainless Steel Multi-Function Watch
45.5 mm stainless steel case with mineral dial window; Quartz movement with analog display
$144.99
SaleBestseller No. 3
CITIZEN Men's Eco-Drive Rebel Pilot 44mm Stainless Steel CA0761-06W
CITIZEN Men's Eco-Drive Rebel Pilot 44mm Stainless Steel CA0761-06W
Dial showcases Rebel and light sideof the Force symbols and the Jedi Order logo; Luminous Hands, Markers, and X-fighter jet, Spherical Mineral Crystal
$347.64

Which is better: IWC Pilot Chronograph 41 or Omega Dark Side of the Moon?

  • Consider the IWC IW388113 if you prefer the smaller listed diameter, a stainless-steel case and bracelet, day-and-date display, higher stated water-resistance rating, or IWC’s documented tool-free strap-change system.
  • Consider the Omega 311.93.44.51.99.002 if you prefer a larger ceramic case, a longer stated power reserve, or the listed time-zone function and tachymeter.
  • Try both on before choosing if wrist fit, overall feel, dial legibility or strap comfort will decide it. The cited sources do not provide comparable weight data or firsthand wear testing, so those judgments are best made with the exact watches.

Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply.

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