Side by side

Echo/Neutra Cristallo Professional Diver 500mvsSeiko Prospex Sea 1968 Heritage Diver's GMT

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

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 1968 Heritage Diver's GMT

The Seiko Prospex Sea 1968 Heritage Diver's GMT is widely praised for its build quality, finishing, and comfortable wearability, offering good value for its price point. Owners and reviewers highlight the attractive silver/white sunray dial, blue ceramic bezel, and the premium feel of the improved bracelet clasp with excellent micro-adjustment. The Caliber 6R54 movement provides a 72-hour power reserve, and real-world accuracy often exceeds its stated range of +25 to -15 seconds per day, with some owners reporting figures around +3 to +5 seconds per day. However, the caller-style GMT functionality is a point of contention for some, who find the GMT scale difficult to read and prefer a flyer GMT at this price. Some also find the crown position at 4 o'clock undesirable, and a few note a lack of dial contrast or illegibility of the inner bezel.

At a glance

15 of 29 specs differ
Diameter
Cristallo Professional Diver 500m42mm
Prospex Sea 1968 Heritage Diver's GMT42mm
Power Reserve
Cristallo Professional Diver 500m56h
Prospex Sea 1968 Heritage Diver's GMT72h
Water Resistance
Cristallo Professional Diver 500m500m
Prospex Sea 1968 Heritage Diver's GMT200m
MSRP
Cristallo Professional Diver 500m$1,450
Prospex Sea 1968 Heritage Diver's GMT$1,500

Full specifications

Case

5 specs
Thickness
13.9mm
12.9mm
Lug-to-Lug
49mm
48.6mm
Lug Width
0mm
20mm
Material
316L Stainless Steel with Helium Valve
Stainless Steel
Water Resistance
500m
200m

Crystal & Dial

4 specs
Crystal Shape
Flat
AR Coating
Anti-reflective coating on inner surface
Dial Color
Blue
Lume
Superluminova BGW9
LumiBrite on hands, index(es) and bezel

Movement

5 specs
Caliber
Sellita SW279 elaboré
6R54
Beat Rate
28,800 vph
0 vph
Power Reserve
56h
72h
Jewels
31
24
Complications
Moonphase, Date, Small seconds
None

Pricing

1 specs
MSRP
$1,450
$1,500
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