Side by side

Islander Islander Red October V2 Dive Watch with Radiant Blue Dial #ISL-323vsTudor Black Bay 54

Q: Which is cheaper, the Islander Red October V2 Dive Watch with Radiant Blue Dial #ISL-323 or the Tudor Black Bay 54?

At MSRP the Islander Red October V2 Dive Watch with Radiant Blue Dial #ISL-323 is the cheaper of the two at $449, against $4,725 for the Tudor Black Bay 54 — a $4,276 gap before any retailer discounting.

Q: Which is bigger, the Islander Red October V2 Dive Watch with Radiant Blue Dial #ISL-323 or the Tudor Black Bay 54?

The Islander Red October V2 Dive Watch with Radiant Blue Dial #ISL-323 wears larger at 42mm versus 37mm for the Tudor Black Bay 54 — a 5mm difference across the dial.

Q: What movement does the Islander Red October V2 Dive Watch with Radiant Blue Dial #ISL-323 run compared to the Tudor Black Bay 54?

Both watches run automatic movements — the Islander Red October V2 Dive Watch with Radiant Blue Dial #ISL-323 uses the Seiko NH38 and the Tudor Black Bay 54 uses the MT5400.

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

Islander Islander Red October V2 Dive Watch with Radiant Blue Dial #ISL-323

islander-red-october-v2-dive-watch-with-radiant-blue-dial-isl-323

MSRP $449

Tudor Black Bay 54

m79000b-0001

MSRP $4,725

At a glance

16 of 29 specs differ

Diameter

Islander Red October V2 Dive Watch with Radiant Blue Dial #ISL-32342mm

Black Bay 5437mm

Power Reserve

Islander Red October V2 Dive Watch with Radiant Blue Dial #ISL-323—

Black Bay 5470h

Water Resistance

Islander Red October V2 Dive Watch with Radiant Blue Dial #ISL-323200m

Black Bay 54200m

MSRP

Islander Red October V2 Dive Watch with Radiant Blue Dial #ISL-323$449

Black Bay 54$4,725

Full specifications

Case

6 specs

Diameter

42mm

37mm

Thickness

14mm

11.2mm

Lug-to-Lug

0mm

46mm

Lug Width

22mm

20mm

Finish

—

Polished + Satin

Caseback

Screw-down

Solid screw-down

Crystal & Dial

5 specs

Crystal Shape

Domed

—

AR Coating

Underside

—

Dial Color

—

Blue

Indices

—

Applied

Lume

None

Super-LumiNova

Movement

4 specs

Caliber

Seiko NH38

MT5400

Power Reserve

70h

Hacking

Yes

Hand-winding

Yes

Pricing

1 specs

MSRP

$449

$4,725

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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.

Islander Red October V2 Dive Watch with Radiant Blue Dial #ISL-323

Owners widely praise the Islander Red October V2 Dive Watch with Radiant Blue Dial #ISL-323 for its stunning radiant blue dial and red seconds hand, with some noting its resemblance to a luxury model. The watch is frequently cited as offering excellent value for its price. Some owners express a dislike for the circle/triangle logo, while others appreciate the availability of both 38mm and 43mm size options. Overall, owners rate the Islander Red October V2 Dive Watch with Radiant Blue Dial #ISL-323 highly for its aesthetic appeal and value proposition.

Reddit·2

Tudor Black Bay 54

The Tudor Black Bay 54 is widely praised for its compact 37mm size and thin 11.2mm case, offering surprising wrist presence and comfortable wearability with a vintage aesthetic. Reviewers highlight its robust 200-meter water resistance, clean design, and modern features without compromise, powered by Tudor's MT5400 movement with a 70-hour power reserve. One reviewer noted a preference for true vintage or more modern Tudor offerings over time. On balance, reviewers rate the Tudor Black Bay 54 highly for its faithful vintage design and comfortable, modern dive watch experience.

Fratello

Hodinkee

Monochrome

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