Side by side

Oris Great Barrier Reef Limited Edition IVvsTissot Seastar 1000

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
Seastar 1000
TissotSeastar 1000
MSRP $875

At a glance

17 of 29 specs differ
Diameter
Great Barrier Reef Limited Edition IV43.5mm
Seastar 100040mm
Power Reserve
Great Barrier Reef Limited Edition IV120 hoursh
Seastar 100080h
Water Resistance
Great Barrier Reef Limited Edition IV300m
Seastar 1000300m
MSRP
Great Barrier Reef Limited Edition IV$4,750
Seastar 1000$875

Full specifications

Case

6 specs
Diameter
43.5mm
40mm
Thickness
12.48mm
Lug-to-Lug
40mm
Lug Width
23mm
20mm
Finish
Brushed and polished
Caseback
Solid

Crystal & Dial

5 specs
Crystal Shape
Flat
AR Coating
Underside
Yes
Dial Color
Blue
Graded grey-black
Indices
Indexes
Lume
None
Super-LumiNova ®

Movement

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

Pricing

1 specs
MSRP
$4,750
$875

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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.

Tissot Seastar 1000

Owners widely praise the Tissot Seastar 1000 for its value, solid build, and 300m water resistance, with reviewers highlighting its comfortable wearability and affordable price point for a sporty diver. Some owners find the bezel difficult to use and note glare from the crystal, while others criticize the lume and bracelet quality, with one owner describing the clasp as flimsy. Accuracy figures for the quartz models are excellent, and the Powermatic 80 movement is considered reliable. Overall, owners and reviewers rate the Tissot Seastar 1000 highly for its strong value proposition as a sporty, affordable everyday watch.

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