Chase Hattan Watches has dated this piece to the 1940s.
A true example of early automatic watchmaking, it has been freshly serviced in-house and is paired with a new red leather strap to complement the red seconds hand perfectly.

Key Details
• Model: Omega Automatic “Bumper”
• Reference: 2438-4
• Year: 1944 (dated by serial)
• Case Size: 34mm
• Case Material: Stainless steel
• Dial: Original white/silver with attractive ageing
• Hands: Original, featuring red seconds hand

• Crown: Signed Omega
• Crystal: Plexiglass
• Movement: Early Omega automatic bumper movement
• Strap: New unworn red leather strap
• Water Resistance: Not waterproof due to age
• Guarantee: 12-month mechanical guarantee

Condition Report
Case: Excellent original condition with light, age-appropriate wear only.
Dial: Untouched and original, showing even and appealing patina.
Hands: Original and well-matched to the dial.
Crystal: Plexiglass with one small minor mark.

Crown: Correct signed Omega crown.
Overall: A very strong, honest example from the 1940s.
Working Order
Serviced in-house and performing exceptionally well.
Running at approximately ±4 seconds per day with a healthy amplitude.

Supplied with our 12-month mechanical guarantee.
Our View
The Omega Bumper 2438-4 is an important piece of watchmaking history, representing Omega’s early automatic development during the 1940s. Examples with untouched dials, signed crowns and strong mechanical performance are increasingly difficult to find. This watch offers originality, character and reliability in equal measure — a superb addition for any vintage Omega collector.
What’s Included
New unworn red leather strap
Travel presentation pouch
12-month mechanical guarantee
Insured shipping
Chase Hattan Watches has dated this piece to the 1940s.
Specialists in vintage, military and luxury watches
You can view the stock and full dealer information on the Chase Hattan Watches Profile Page