Side by side

Oris Great Barrier Reef Limited Edition IVvsHamilton Khaki Navy Scuba Auto

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
Khaki Navy Scuba Auto
HamiltonKhaki Navy Scuba Auto
MSRP $975

At a glance

17 of 29 specs differ
Diameter
Great Barrier Reef Limited Edition IV43.5mm
Khaki Navy Scuba Auto40mm
Power Reserve
Great Barrier Reef Limited Edition IV120 hoursh
Khaki Navy Scuba Auto80h
Water Resistance
Great Barrier Reef Limited Edition IV300m
Khaki Navy Scuba Auto100m
MSRP
Great Barrier Reef Limited Edition IV$4,750
Khaki Navy Scuba Auto$975

Full specifications

Case

7 specs
Diameter
43.5mm
40mm
Thickness
12.95mm
Lug-to-Lug
46mm
Lug Width
23mm
20mm
Finish
Brushed and polished
Water Resistance
300m
100m
Caseback
Solid

Crystal & Dial

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

Movement

5 specs
Caliber
CALIBRE 400
H-10
Beat Rate
4 vph
28,800 vph
Power Reserve
120 hoursh
80h
Jewels
21
25
Complications
Date
None

Pricing

1 specs
MSRP
$4,750
$975

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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.

Hamilton Khaki Navy Scuba Auto

Owners and reviewers widely praise the Hamilton Khaki Navy Scuba Auto for its exceptional value, robust construction, and distinctive dial designs, with many highlighting the 80-hour power reserve provided by the H-10 movement. The watch is frequently noted for its utilitarian dial, legible lume, and tactile bezel action. However, the 43mm case size is a recurring point of contention, with several sources deeming it large for everyday wear, though some owners find it comfortable and appreciate its substantial feel. One reviewer points out that the steel bracelet could benefit from a taper and a quick-adjust clasp, and another notes the unlumed bezel pip as a minor area for improvement. Overall, the Hamilton Khaki Navy Scuba Auto is highly regarded by owners and reviewers for its strong value and appealing tool-watch aesthetic, with the 43mm case size being the most significant consideration for potential buyers.

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