Omega Aqua Terra 38vsIWC Portofino 40

Complete head-to-head comparison

Comparing the Omega Aqua Terra 38 ($5k–$6k, 150m WR, 38mm) against the IWC Portofino 40 ($7k–$8k, 100m WR, 40mm). The Omega Aqua Terra 38 is the more affordable option by $1k.

Price

Aqua Terra 38$5k–$6k
Portofino 40$7k–$8k

Water Resistance

Aqua Terra 38150m
Portofino 40100m

Score

Aqua Terra 388/10
Portofino 408/10

Repurchase

Aqua Terra 3880%
Portofino 4082%

Specifications Compared

Aqua Terra 38
Portofino 40
Case Diameter
Aqua Terra 38
38mm
Portofino 40
40mm
Case Thickness
Aqua Terra 38
11.1mm
Portofino 40
8.15mm
Lug Width
Aqua Terra 38
18mm
Portofino 40
18mm
Lug-to-Lug
Aqua Terra 38
45mm
Portofino 40
46mm
Movement
Aqua Terra 38
automatic
Portofino 40
automatic
Caliber
Aqua Terra 38
Cal. 8900
Portofino 40
Cal. 35111
Power Reserve
Aqua Terra 38
55h
Portofino 40
42h
Water Resistance
Aqua Terra 38
150m
Portofino 40
100m
Crystal
Aqua Terra 38
sapphire
Portofino 40
sapphire
Case Material
Aqua Terra 38
Stainless Steel
Portofino 40
Stainless Steel
Bracelet/Strap
Aqua Terra 38
Stainless Steel
Portofino 40
Leather strap
Price (New)
Aqua Terra 38
$5k–$6k
Portofino 40
$7k–$8k
Price (Pre-owned)
Aqua Terra 38
$4k–$5k
Portofino 40
$5k–$7k
Style
Aqua Terra 38
dress, sport, casual
Portofino 40
dress, luxury

Pros & Cons

Omega Aqua Terra 38

Pros

  • Reliable automatic movement
  • Sapphire crystal
  • Durable stainless steel case

IWC Portofino 40

Pros

  • Ultra-thin 8.15mm profile
  • Versatile dress watch design
  • In-house Caliber 35111 movement
  • Reasonable pricing for luxury brand
  • Strong resale value

Cons

  • Limited water resistance (100m)
  • Not suitable for water sports

Community Verdict

Too Close to Call

Both sit in a similar price range: Omega Aqua Terra 38 at $5k–$6k vs IWC Portofino 40 at $7k–$8k — choose based on use case and style preference. Omega Aqua Terra 38 edges ahead on water resistance: 150m vs 100m. Case size: IWC Portofino 40 at 40mm suits larger wrists; Omega Aqua Terra 38 at 38mm is the more compact option.

Aqua Terra 38Community RatingPortofino 40
50%50%
🗳️Community Vote
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Frequently Asked Questions

Which is better: Omega Aqua Terra 38 or IWC Portofino 40?

Both are excellent watches with different strengths. The Omega Aqua Terra 38 offers a more compact size and costs less new. The IWC Portofino 40 excels in overall construction. The best choice depends on your wrist size, budget, and preferred aesthetic.

What's the price difference?

The Omega Aqua Terra 38 retails for $5k–$6k, while the IWC Portofino 40 is priced at $7k–$8k. Pre-owned, expect $4k–$5k and $5k–$7k respectively. Actual secondary market prices vary based on condition and demand.

How do the case sizes compare?

The Omega Aqua Terra 38 has a 38mm case diameter with 11.1mm thickness, while the IWC Portofino 40 measures 40mm × 8.15mm. Both have lug-to-lug measurements of 45mm and 46mm respectively. Consider your wrist size and wear style when deciding.

Which has better water resistance?

The Omega Aqua Terra 38 is water-resistant to 150m, while the IWC Portofino 40 offers 100m. 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 Omega Aqua Terra 38 uses a automatic Cal. 8900 with 55 hours power reserve. The IWC Portofino 40 features a automatic Cal. 35111 with 42 hours power reserve. Both offer traditional mechanical craftsmanship.

Which holds value better?

Omega and IWC both command strong secondary markets. Pre-owned pricing shows an estimated resale value of $4k–$5k for the Aqua Terra 38 and $5k–$7k for the Portofino 40. Condition, service history, and box/papers significantly impact resale value for both models.

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