Side by side

Oris Great Barrier Reef Limited Edition IVvsAstor + Banks Sea Ranger M2

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
Sea Ranger M2
Astor + BanksSea Ranger M2
MSRP $1,149

At a glance

17 of 29 specs differ
Diameter
Great Barrier Reef Limited Edition IV43.5mm
Sea Ranger M240mm
Power Reserve
Great Barrier Reef Limited Edition IV120 hoursh
Sea Ranger M240h
Water Resistance
Great Barrier Reef Limited Edition IV300m
Sea Ranger M2300m
MSRP
Great Barrier Reef Limited Edition IV$4,750
Sea Ranger M2$1,149

Full specifications

Case

7 specs
Diameter
43.5mm
40mm
Thickness
12.5mm
Lug-to-Lug
45.5mm
Lug Width
23mm
20mm
Material
Stainless Steel
316L Stainless Steel
Finish
Brushed and polished
Caseback
Solid

Crystal & Dial

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

Movement

5 specs
Caliber
CALIBRE 400
La Joux-Perret G100
Beat Rate
4 vph
28,800 vph
Power Reserve
120 hoursh
40h
Jewels
21
25
Complications
Date
None

Pricing

1 specs
MSRP
$4,750
$1,149

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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.

Astor + Banks Sea Ranger M2

The Astor + Banks Sea Ranger M2 is widely praised for its balanced design, excellent legibility, and strong GADA (go-anywhere, do-anything) capabilities, featuring 300m water resistance and a scratch-resistant coating. Reviewers note its comfortable 40mm case size and good lume, though one source describes it as good but not great. The movement is a Sellita SW200 adjusted by the brand, with accuracy reported around ±8 seconds per day. The pre-order price is $650, with a standard price of $850. On balance, reviewers find the Astor + Banks Sea Ranger M2 to be a compelling option due to its functional design and robust specifications.

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