Which is cheaper, the Islander Bayport Automatic Dive Watch with Blue Wave Dial #ISL-311 or the Yema Superman Tourbillon CMM.31 Limited Edition?

At MSRP the Islander Bayport Automatic Dive Watch with Blue Wave Dial #ISL-311 is the cheaper of the two at $399, against $13,000 for the Yema Superman Tourbillon CMM.31 Limited Edition — a $12,601 gap before any retailer discounting.

Which is bigger, the Islander Bayport Automatic Dive Watch with Blue Wave Dial #ISL-311 or the Yema Superman Tourbillon CMM.31 Limited Edition?

The Yema Superman Tourbillon CMM.31 Limited Edition wears larger at 43mm versus 40mm for the Islander Bayport Automatic Dive Watch with Blue Wave Dial #ISL-311 — a 3mm difference across the dial.

What movement does the Islander Bayport Automatic Dive Watch with Blue Wave Dial #ISL-311 run compared to the Yema Superman Tourbillon CMM.31 Limited Edition?

Both watches run automatic movements — the Islander Bayport Automatic Dive Watch with Blue Wave Dial #ISL-311 uses the Seiko NH35 and the Yema Superman Tourbillon CMM.31 Limited Edition uses the Yema CMM.31 Tourbillon.

Side by side

Islander Islander Bayport Automatic Dive Watch with Blue Wave Dial #ISL-311vsYema Superman Tourbillon CMM.31 Limited Edition

Q: Which has better water resistance, the Islander Bayport Automatic Dive Watch with Blue Wave Dial #ISL-311 or the Yema Superman Tourbillon CMM.31 Limited Edition?

The Yema Superman Tourbillon CMM.31 Limited Edition is rated to 300m versus 200m for the Islander Bayport Automatic Dive Watch with Blue Wave Dial #ISL-311.

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

Islander Islander Bayport Automatic Dive Watch with Blue Wave Dial #ISL-311

islander-bayport-automatic-dive-watch-with-blue-wave-dial-isl-311

MSRP $399

Yema Superman Tourbillon CMM.31 Limited Edition

yema-superman-tourbillon-cmm-31-limited-edition-12-25-31-66-te-mt

MSRP $13,000

At a glance

15 of 29 specs differ

Diameter

Islander Bayport Automatic Dive Watch with Blue Wave Dial #ISL-31140mm

Superman Tourbillon CMM.31 Limited Edition43mm

Power Reserve

Islander Bayport Automatic Dive Watch with Blue Wave Dial #ISL-311—

Superman Tourbillon CMM.31 Limited Edition40h

Water Resistance

Islander Bayport Automatic Dive Watch with Blue Wave Dial #ISL-311200m

Superman Tourbillon CMM.31 Limited Edition300m

MSRP

Islander Bayport Automatic Dive Watch with Blue Wave Dial #ISL-311$399

Superman Tourbillon CMM.31 Limited Edition$13,000

Full specifications

Case

6 specs

Diameter

40mm

43mm

Thickness

13.5mm

11.7mm

Lug-to-Lug

48mm

—

Lug Width

20mm

22mm

Finish

—

Brushed and polished

Water Resistance

200m

300m

Crystal & Dial

4 specs

Crystal

Sapphire

Domed Sapphire

AR Coating

Yes

Inner

Dial Color

—

Steel

Indices

—

Applied

Movement

4 specs

Caliber

Seiko NH35

Yema CMM.31 Tourbillon

Beat Rate

0 vph

28,800 vph

Power Reserve

40h

Jewels

Pricing

1 specs

MSRP

$399

$13,000

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