Negative. 38mm case.
The Basics
Brand: Omega
Model: Seamaster 1948 Center Seconds and Seamaster 1948 Small Seconds
Diameter: 38mm (both)
Thickness: 11.2mm (center seconds), 11.65mm (small seconds)
Case Material: Stainless Steel
Dial: Opaline silver (with domed profile and applied 18k gold Ω at 12 o'clock)
Indexes: Applied Arabic numerals and daggers
Lume: On hands and dagger-shaped hour markers (center seconds only)
Water Resistance: 60 meters
Caseback: Flat sapphire, etched with 70th anniversary Seamaster logo, Chris-Craft boat, and Gloster Meteor plan, utilizing NAIAD Lock system
Strap/Bracelet: Blue-grey leather strap (center second), brown leather strap (small seconds), both with vintage-style Omega pin buckles