Grand Seiko Evolution 9 White Birch SLGH005 vs Omega Speedmaster Chronoscope Co-Axial Master Chronometer

SpecificationGrand Seiko Evolution 9 White Birch SLGH005Omega Speedmaster Chronoscope Co-Axial Master Chronometer
BrandGrand SeikoOmega
CollectionEvolution 9Speedmaster
ReferenceSLGH005329.30.43.51.02.001
CategoryDressChronograph
Movement TypeAutomaticAutomatic
CaliberGrand Seiko 9SA5Omega 9908
Power Reserve80h60h
Frequency36,000 vph28,800 vph
Case Diameter40.0mm43.0mm
Case Thickness11.7mm15.2mm
Case MaterialStainless SteelStainless Steel
CrystalSapphire with anti-reflective coatingSapphire with anti-reflective coating
Water Resistance100m / 328ft100m / 328ft
Weight152g175g
MSRP$8,400$8,400
Market Price$7,800$6,200

In-Depth Comparison

The Grand Seiko Evolution 9 White Birch SLGH005 and the Omega Speedmaster Chronoscope Co-Axial Master Chronometer represent two compelling options in the luxury watch market. Both timepieces have earned devoted followings among collectors and enthusiasts, but they approach horology from distinctly different perspectives. Let's break down how these two watches compare across the key dimensions that matter most to buyers.

Heritage And Brand Prestige

Grand Seiko and Omega are both highly respected names in watchmaking. The Grand Seiko Evolution 9 White Birch SLGH005 comes from Japan, while the Omega Speedmaster Chronoscope Co-Axial Master Chronometer originates from Switzerland. This particular Evolution 9 reference was introduced in 2021, while this Speedmaster reference debuted in 2021.

Movement And Mechanics

At the heart of the Grand Seiko Evolution 9 White Birch SLGH005 beats the Grand Seiko 9SA5 caliber offering a 80-hour power reserve running at 36,000 vph with 47 jewels. The Omega Speedmaster Chronoscope Co-Axial Master Chronometer is powered by the Omega 9908 with a 60-hour power reserve operating at 28,800 vph featuring 33 jewels. The Grand Seiko Evolution 9 White Birch SLGH005 wins on power reserve with a 20-hour advantage, which means less frequent winding for those who rotate watches.

Dimensions And Wearability

The Grand Seiko Evolution 9 White Birch SLGH005 features a 40.0mm case at 11.7mm thick with a 47.0mm lug-to-lug measurement, crafted in Stainless Steel. The Omega Speedmaster Chronoscope Co-Axial Master Chronometer comes in at 43.0mm and 15.2mm thick with 49.5mm lug-to-lug, constructed from Stainless Steel. The Grand Seiko Evolution 9 White Birch SLGH005 wears more compactly on the wrist, making it potentially more suitable for smaller wrists or those who prefer understated proportions. At 152g, the Grand Seiko Evolution 9 White Birch SLGH005 is the lighter of the two.

Materials And Construction

The Grand Seiko Evolution 9 White Birch SLGH005 uses a Sapphire with anti-reflective coating crystal paired with a Fixed polished bezel, while the Omega Speedmaster Chronoscope Co-Axial Master Chronometer features Sapphire with anti-reflective coating crystal with a Fixed, stainless steel with three combined scales (tachymeter, telemeter, pulsometer) bezel. On the wrist, the Grand Seiko Evolution 9 White Birch SLGH005 comes on a Stainless steel bracelet with Three-fold clasp with push button release, while the Omega Speedmaster Chronoscope Co-Axial Master Chronometer is fitted with Stainless steel bracelet featuring Folding clasp.

Water Resistance And Capability

The Grand Seiko Evolution 9 White Birch SLGH005 is rated to 100m / 328ft and the Omega Speedmaster Chronoscope Co-Axial Master Chronometer to 100m / 328ft. Both watches share the same water resistance rating, making them equally suited for aquatic activities.

Pricing And Value

At retail, the Grand Seiko Evolution 9 White Birch SLGH005 lists for $8,400 compared to $8,400 for the Omega Speedmaster Chronoscope Co-Axial Master Chronometer. On the secondary market, the Grand Seiko Evolution 9 White Birch SLGH005 trades around $7,800 while the Omega Speedmaster Chronoscope Co-Axial Master Chronometer commands approximately $6,200.

The Verdict

Choosing between the Grand Seiko Evolution 9 White Birch SLGH005 and the Omega Speedmaster Chronoscope Co-Axial Master Chronometer ultimately comes down to personal priorities. For dress occasions and smaller wrists, the Grand Seiko Evolution 9 White Birch SLGH005 is more versatile. Both watches are exceptional timepieces that will serve their owner well for generations. We recommend trying both on the wrist at an authorized dealer before making your final decision, as comfort and emotional connection are ultimately just as important as specifications.