Side by side

Islander Islander Bayport Automatic Dive Watch with Blue Wave Dial #ISL-311vsSeestern S446 GMT

Q: Which is cheaper, the Islander Bayport Automatic Dive Watch with Blue Wave Dial #ISL-311 or the Seestern S446 GMT?

At MSRP the Seestern S446 GMT is the cheaper of the two at $299, against $399 for the Islander Bayport Automatic Dive Watch with Blue Wave Dial #ISL-311 — a $100 gap before any retailer discounting.

Q: Which is bigger, the Islander Bayport Automatic Dive Watch with Blue Wave Dial #ISL-311 or the Seestern S446 GMT?

The Islander Bayport Automatic Dive Watch with Blue Wave Dial #ISL-311 wears larger at 40mm versus 39.5mm for the Seestern S446 GMT — a 0.5mm difference across the dial.

Q: Which has better water resistance, the Islander Bayport Automatic Dive Watch with Blue Wave Dial #ISL-311 or the Seestern S446 GMT?

The Islander Bayport Automatic Dive Watch with Blue Wave Dial #ISL-311 is rated to 200m versus 100m for the Seestern S446 GMT.

Q: What movement does the Islander Bayport Automatic Dive Watch with Blue Wave Dial #ISL-311 run compared to the Seestern S446 GMT?

The Islander Bayport Automatic Dive Watch with Blue Wave Dial #ISL-311 runs a automatic caliber (Seiko NH35), while the Seestern S446 GMT runs a automatic gmt (Seiko NH34A GMT).

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

Seestern S446 GMT

S446.BS

MSRP $299

At a glance

17 of 29 specs differ

Diameter

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

S446 GMT39.5mm

Power Reserve

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

S446 GMT41hh

Water Resistance

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

S446 GMT100m

MSRP

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

S446 GMT$299

Full specifications

Case

7 specs

Crystal & Dial

4 specs

Crystal Shape

Flat

Domed

AR Coating

Yes

Inner

Dial Color

—

Cream

Indices

—

Applied

Movement

5 specs

Caliber

Seiko NH35

Seiko NH34A GMT

Beat Rate

0 vph

3 vph

Power Reserve

41hh

Jewels

Complications

None

GMT, Date

Pricing

1 specs

MSRP

$399

$299

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