Side by side

Oris Great Barrier Reef Limited Edition IVvsBremont Supermarine 300M

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
Supermarine 300M
BremontSupermarine 300M
MSRP $3,550

At a glance

16 of 29 specs differ
Diameter
Great Barrier Reef Limited Edition IV43.5mm
Supermarine 300M40mm
Power Reserve
Great Barrier Reef Limited Edition IV120 hoursh
Supermarine 300M40h
Water Resistance
Great Barrier Reef Limited Edition IV300m
Supermarine 300M300m
MSRP
Great Barrier Reef Limited Edition IV$4,750
Supermarine 300M$3,550

Full specifications

Case

6 specs
Diameter
43.5mm
40mm
Thickness
12mm
Lug Width
23mm
20mm
Material
Stainless Steel
904L Stainless Steel
Finish
Brushed and polished
Caseback
Solid

Crystal & Dial

4 specs
Crystal Shape
Flat
AR Coating
Underside
Inner
Dial Color
Blue
Green
Indices
Applied

Movement

5 specs
Caliber
CALIBRE 400
BE-92AE
Beat Rate
4 vph
28,800 vph
Power Reserve
120 hoursh
40h
Jewels
21
25
Complications
Date
None

Pricing

1 specs
MSRP
$4,750
$3,550

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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.

Bremont Supermarine 300M

The Bremont Supermarine 300M is praised for its comfortable 40mm and 42mm case sizes, with owners noting the 42mm wears well on smaller wrists due to its lug design. One owner highlights the 13mm thinness of the 40mm case, considered compact for a 300m diver. The watch is priced at $1375. On balance, owners and reviewers appreciate the Bremont Supermarine 300M for its wearability and compact dimensions, especially for a dive watch.

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