Side by side

Oris Great Barrier Reef Limited Edition IVvsOrient RA-AC0K Diver Watch

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 Great Barrier Reef Limited Edition IV

The Oris Great Barrier Reef Limited Edition IV's 43.55mm case is surprisingly wearable on a 7-inch wrist due to its new design. Owners report the Oris Great Barrier Reef III, a 45mm watch, is massive and nearly 20mm thick. Overall, owners find the Oris Great Barrier Reef Limited Edition IV wearable despite its size, citing its new design as a key factor.

From video reviewers

The striking turquoise-to-navy gradient dial is a notable feature. The 43.5mm stainless steel case is noted for its ergonomic fit.

Orient RA-AC0K Diver Watch

Owners widely praise the Orient RA-AC0K Diver Watch for exceeding expectations and being a "real" watch. The mechanical movement is noted for keeping great time, running within a handful of seconds fast per day, with some owners considering Orient's budget movements among the best for accuracy. Overall, owners rate the Orient RA-AC0K Diver Watch highly for its surprising quality and reliable timekeeping at its price point.

At a glance

18 of 29 specs differ
Diameter
Great Barrier Reef Limited Edition IV43.5mm
RA-AC0K Diver Watch43.4mm
Power Reserve
Great Barrier Reef Limited Edition IV120 hoursh
RA-AC0K Diver Watch40h
Water Resistance
Great Barrier Reef Limited Edition IV300m
RA-AC0K Diver Watch200m
MSRP
Great Barrier Reef Limited Edition IV$4,750
RA-AC0K Diver Watch$455

Full specifications

Case

7 specs
Diameter
43.5mm
43.4mm
Thickness
12.8mm
Lug-to-Lug
51mm
Lug Width
23mm
22mm
Finish
Water Resistance
300m
200m
Caseback

Crystal & Dial

4 specs
Crystal Shape
AR Coating
Underside
Dial Color
Blue
Black
Indices

Movement

6 specs
Caliber
Oris Calibre 400
Orient F6722
Beat Rate
4 vph
21,600 vph
Power Reserve
120 hoursh
40h
Jewels
21
22
Hacking
No
Yes
Hand-winding
No
Yes

Pricing

1 specs
MSRP
$4,750
$455
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