What movement does the Islander Automatic Turtle Dive Watch with Blue Dial #ISL-301 run compared to the Tudor Black Bay 58?

Both watches run automatic movements — the Islander Automatic Turtle Dive Watch with Blue Dial #ISL-301 uses the Seiko NH36 and the Tudor Black Bay 58 uses the MT5400-U.

Side by side

Islander Islander Automatic Turtle Dive Watch with Blue Dial #ISL-301vsTudor Black Bay 58

Q: Which is cheaper, the Islander Automatic Turtle Dive Watch with Blue Dial #ISL-301 or the Tudor Black Bay 58?

At MSRP the Islander Automatic Turtle Dive Watch with Blue Dial #ISL-301 is the cheaper of the two at $399, against $5,350 for the Tudor Black Bay 58 — a $4,951 gap before any retailer discounting.

Q: Which is bigger, the Islander Automatic Turtle Dive Watch with Blue Dial #ISL-301 or the Tudor Black Bay 58?

The Islander Automatic Turtle Dive Watch with Blue Dial #ISL-301 wears larger at 45mm versus 39mm for the Tudor Black Bay 58 — a 6mm difference across the dial.

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

Islander Islander Automatic Turtle Dive Watch with Blue Dial #ISL-301

islander-automatic-turtle-dive-watch-with-blue-dial-isl-301

MSRP $399

Tudor Black Bay 58

m7939a1a0nu-0001

MSRP $5,350

At a glance

15 of 29 specs differ

Diameter

Islander Automatic Turtle Dive Watch with Blue Dial #ISL-30145mm

Black Bay 5839mm

Power Reserve

Islander Automatic Turtle Dive Watch with Blue Dial #ISL-301—

Black Bay 5865h

Water Resistance

Islander Automatic Turtle Dive Watch with Blue Dial #ISL-301200m

Black Bay 58200m

MSRP

Islander Automatic Turtle Dive Watch with Blue Dial #ISL-301$399

Black Bay 58$5,350

Full specifications

Case

6 specs

Diameter

45mm

39mm

Thickness

15mm

11.7mm

Lug-to-Lug

47mm

46mm

Lug Width

22mm

20mm

Finish

—

Polished + Satin

Caseback

Embossed screw-in caseback

Solid screw-down

Crystal & Dial

4 specs

Crystal Shape

Double Domed

—

AR Coating

Underside

—

Dial Color

—

Black

Indices

—

Applied

Movement

4 specs

Caliber

Seiko NH36

MT5400-U

Power Reserve

65h

Hacking

Yes

Hand-winding

Yes

Pricing

1 specs

MSRP

$399

$5,350

Follow this matchup

Get a note when Islander Automatic Turtle Dive Watch with Blue Dial #ISL-301 vs Tudor Black Bay 58 gets more votes, a community discussion, or a price drop. No account needed.

Keep exploring