Longines Master Collection 40 vs Omega Aqua Terra 38
Head-to-head comparison · Community ratings · Pricing
Quick Verdict
Longines Master Collection 40 is the value winner at $2k–$2k — over 50% cheaper than the Omega Aqua Terra 38 ($5k–$6k). Omega Aqua Terra 38 edges ahead on water resistance: 150m vs 30m. Case size: Longines Master Collection 40 at 40mm suits larger wrists; Omega Aqua Terra 38 at 38mm is the more compact option.
Specifications Compared
Frequently Asked Questions
Which is better: Longines Master Collection 40 or Omega Aqua Terra 38?▼
Both are excellent watches with different strengths. The Longines Master Collection 40 offers a larger case and costs less new. The Omega Aqua Terra 38 excels in water resistance. The best choice depends on your wrist size, budget, and preferred aesthetic.
What's the price difference?▼
The Longines Master Collection 40 retails for $2k–$2k, while the Omega Aqua Terra 38 is priced at $5k–$6k. Pre-owned, expect $1k–$2k and $4k–$5k respectively. Actual secondary market prices vary based on condition and demand.
How do the case sizes compare?▼
The Longines Master Collection 40 has a 40mm case diameter with 10mm thickness, while the Omega Aqua Terra 38 measures 38mm × 11.1mm. Both have lug-to-lug measurements of 47mm and 45mm respectively. Consider your wrist size and wear style when deciding.
Which has better water resistance?▼
The Longines Master Collection 40 is water-resistant to 30m, while the Omega Aqua Terra 38 offers 150m. Both are suitable for swimming and snorkeling at their respective depths. For professional diving, verify the rating exceeds 300m and includes a screw-down crown.
How do the movements compare?▼
The Longines Master Collection 40 uses a automatic L899 with 64 hours power reserve. The Omega Aqua Terra 38 features a automatic Cal. 8900 with 55 hours power reserve. Both offer traditional mechanical craftsmanship.
Which holds value better?▼
Longines and Omega both command strong secondary markets. Pre-owned pricing shows an estimated resale value of $1k–$2k for the Master Collection 40 and $4k–$5k for the Aqua Terra 38. Condition, service history, and box/papers significantly impact resale value for both models.

