Side by side

Oris Great Barrier Reef Limited Edition IVvsTudor Black Bay 68

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

Great Barrier Reef Limited Edition IV
OrisGreat Barrier Reef Limited Edition IV
MSRP $4,750
Black Bay 68
TudorBlack Bay 68
MSRP $5,475

At a glance

18 of 29 specs differ
Diameter
Great Barrier Reef Limited Edition IV43.5mm
Black Bay 6843mm
Power Reserve
Great Barrier Reef Limited Edition IV120 hoursh
Black Bay 6870h
Water Resistance
Great Barrier Reef Limited Edition IV300m
Black Bay 68200m
MSRP
Great Barrier Reef Limited Edition IV$4,750
Black Bay 68$5,475

Full specifications

Case

7 specs
Diameter
43.5mm
43mm
Thickness
13.6mm
Lug-to-Lug
46mm
Lug Width
23mm
22mm
Finish
Polished + Satin
Water Resistance
300m
200m
Caseback
Solid screw-down

Crystal & Dial

3 specs
Crystal Shape
AR Coating
Underside
Indices
Applied

Movement

7 specs
Caliber
CALIBRE 400
MT5601-U
Beat Rate
4 vph
0 vph
Power Reserve
120 hoursh
70h
Jewels
21
0
Hacking
Yes
No
Hand-winding
Yes
No
Complications
Date
None

Pricing

1 specs
MSRP
$4,750
$5,475

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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.

Tudor Black Bay 68

The Tudor Black Bay 68 is praised for its METAS Master Chronometer-certified MT5601-U movement, which provides superior accuracy of -2/+4 seconds per day and a 70-hour power reserve. Reviewers highlight its comfortable 13.6mm thickness and the appeal of the Tudor blue dial with a matte black bezel insert. The watch features a brushed and polished 43mm case, a domed sapphire crystal, and a bracelet without faux rivets. On balance, reviewers find the Tudor Black Bay 68 a sensible, larger vintage-inspired diver with excellent timekeeping.

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