Side by side

Echo/Neutra Cristallo Professional Diver 500mvsSeiko Prospex Sea

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

Cristallo Professional Diver 500m
Echo/NeutraCristallo Professional Diver 500m
MSRP $1,450
Prospex Sea
SeikoProspex Sea
MSRP $625

At a glance

14 of 29 specs differ
Diameter
Cristallo Professional Diver 500m42mm
Prospex Sea43.8mm
Power Reserve
Cristallo Professional Diver 500m56h
Prospex Sea41h
Water Resistance
Cristallo Professional Diver 500m500m
Prospex Sea200m
MSRP
Cristallo Professional Diver 500m$1,450
Prospex Sea$625

Full specifications

Case

6 specs
Diameter
42mm
43.8mm
Thickness
13.9mm
12.8mm
Lug-to-Lug
49mm
48.7mm
Lug Width
20mm
22mm
Material
316L Stainless Steel with Helium Valve
Stainless Steel
Water Resistance
500m
200m

Crystal & Dial

3 specs
AR Coating
Inner
Anti-reflective coating on inner surface
Dial Color
Blue
Black
Lume
Superluminova BGW9
LumiBrite on hands, index(es) and bezel

Movement

4 specs
Caliber
Sellita SW279 elaboré
4R35
Power Reserve
56h
41h
Jewels
31
23
Complications
Moonphase, Date, Small seconds
None

Pricing

1 specs
MSRP
$1,450
$625

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What people say

Owners + reviewers, side by side

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Echo/Neutra Cristallo Professional Diver 500m

The Echo/Neutra Cristallo Professional Diver 500m is praised for its well-executed 42mm case with polished chamfers and a comfortable H-link bracelet, featuring a functional clasp. Reviewers note its smooth 120-click bezel and a Sellita SW279 movement with power reserve and small seconds complications. One owner flags the inner folding part of the clasp as slightly long. Overall, owners and reviewers rate the Echo/Neutra Cristallo Professional Diver 500m highly for its functional Sellita SW279 movement and well-finished case at its $800 price point.

Seiko Prospex Sea

The Seiko Prospex Sea is widely praised for its excellent value, solid build quality, and comfortable wearability, with many models featuring impressive lume and attractive dials. Owners and reviewers highlight the modern upgrades on classic designs, such as drilled lugs and reliable movements with hacking and hand-winding capabilities. Some models are noted for their refined case finishing and scratch resistance. Accuracy figures vary, with one owner reporting approximately 4 seconds fast per day, while others find the movements offer good performance for the price. Concerns raised by owners and reviewers include clasps that can feel generic or cheap, and lug widths that some find disproportionate to the case size on certain models. The thickness and weight of some Prospex Sea watches are also noted as substantial. The GMT function on specific models is considered secondary and difficult to read for true travel purposes.

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