Side by side

Oris Aquis Depth GaugevsSeiko Prospex Sea 1968 Heritage Diver's GMT Watch Limited Edition

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

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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.

Oris Aquis Depth Gauge

The Oris Aquis Depth Gauge is widely praised for its unique mechanical depth gauge complication, which reviewers confirm is accurate and a clever application of Boyle's law. Owners and reviewers note its solid build, improved legibility with longer markers and wider hands, and a convenient quick-change strap system. The watch offers great value, with a tungsten bezel and 500-meter water resistance. However, the Oris Aquis Depth Gauge is criticized by multiple sources for its large case size, with dimensions ranging from 45.5mm to 48.5mm, and its significant weight, making it potentially unwieldy for smaller wrists. Its utility as a primary dive instrument is questioned due to the lack of a maximum depth indicator, and one owner expressed a dislike for the use of Sellita movements. Overall, owners and reviewers rate the Oris Aquis Depth Gauge highly for its innovative depth gauge mechanism and strong value proposition, despite its substantial size.

Seiko Prospex Sea 1968 Heritage Diver's GMT Watch Limited Edition

The Seiko Prospex Sea 1968 Heritage Diver's GMT Watch Limited Edition is widely praised for its excellent quality and finishing relative to its price point, featuring a beautiful case, bracelet, and strong Lumibrite lume. Enthusiasts and reviewers highlight the comfortable 42mm case size and the distinctive 4 o'clock crown position. The watch is powered by the in-house 6R54 automatic movement, offering a 72-hour power reserve and rated accuracy of -5/+10 seconds per day, though one source notes the GMT function is secondary. Some find the 4:30 date window divisive, and the bezel clicks are described as quieter than expected. On balance, owners and reviewers rate the Seiko Prospex Sea 1968 Heritage Diver's GMT Watch Limited Edition highly for its refined design and strong value proposition.

At a glance

18 of 29 specs differ
Diameter
Aquis Depth Gauge45.8mm
Prospex Sea 1968 Heritage Diver's GMT Watch Limited Edition42mm
Power Reserve
Aquis Depth Gauge38 hoursh
Prospex Sea 1968 Heritage Diver's GMT Watch Limited Edition72h
Water Resistance
Aquis Depth Gauge500m
Prospex Sea 1968 Heritage Diver's GMT Watch Limited Edition300m
MSRP
Aquis Depth Gauge$4,500
Prospex Sea 1968 Heritage Diver's GMT Watch Limited Edition$1,750

Full specifications

Case

7 specs
Diameter
45.8mm
42mm
Thickness
13.3mm
Lug-to-Lug
48.6mm
Lug Width
24mm
20mm
Finish
Water Resistance
500m
300m
Caseback

Crystal & Dial

5 specs
Crystal Shape
AR Coating
Underside
Anti-reflective coating on inner surface
Dial Color
Black
Indices
Lume
None
LumiBrite on hands, index(es) and bezel

Movement

5 specs
Caliber
Oris 733
Seiko 6R54
Beat Rate
4 vph
0 vph
Power Reserve
38 hoursh
72h
Jewels
26
24
Complications
Date
None

Pricing

1 specs
MSRP
$4,500
$1,750
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