Side by side

Serica Ref. 5303 Diving ChronometervsIslander Islander 38mm Automatic Dive Watch with Solid-Link Bracelet, AR Sapphire Crystal, and Luminous Ceramic Bezel Insert #ISL-05

Q: Which is cheaper, the Serica Ref. 5303 Diving Chronometer or the Islander 38mm Automatic Dive Watch with Solid-Link Bracelet, AR Sapphire Crystal, and Luminous Ceramic Bezel Insert #ISL-05?

At MSRP the Islander 38mm Automatic Dive Watch with Solid-Link Bracelet, AR Sapphire Crystal, and Luminous Ceramic Bezel Insert #ISL-05 is the cheaper of the two at $429, against $1,768 for the Serica Ref. 5303 Diving Chronometer — a $1,339 gap before any retailer discounting.

Q: Which is bigger, the Serica Ref. 5303 Diving Chronometer or the Islander 38mm Automatic Dive Watch with Solid-Link Bracelet, AR Sapphire Crystal, and Luminous Ceramic Bezel Insert #ISL-05?

The Serica Ref. 5303 Diving Chronometer wears larger at 39mm versus 38mm for the Islander 38mm Automatic Dive Watch with Solid-Link Bracelet, AR Sapphire Crystal, and Luminous Ceramic Bezel Insert #ISL-05 — a 1mm difference across the dial.

Q: Which has better water resistance, the Serica Ref. 5303 Diving Chronometer or the Islander 38mm Automatic Dive Watch with Solid-Link Bracelet, AR Sapphire Crystal, and Luminous Ceramic Bezel Insert #ISL-05?

The Serica Ref. 5303 Diving Chronometer is rated to 300m versus 200m for the Islander 38mm Automatic Dive Watch with Solid-Link Bracelet, AR Sapphire Crystal, and Luminous Ceramic Bezel Insert #ISL-05.

Q: What movement does the Serica Ref. 5303 Diving Chronometer run compared to the Islander 38mm Automatic Dive Watch with Solid-Link Bracelet, AR Sapphire Crystal, and Luminous Ceramic Bezel Insert #ISL-05?

Both watches run automatic movements — the Serica Ref. 5303 Diving Chronometer uses the M100 COSC and the Islander 38mm Automatic Dive Watch with Solid-Link Bracelet, AR Sapphire Crystal, and Luminous Ceramic Bezel Insert #ISL-05 uses the Seiko NH36.

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

Serica Ref. 5303 Diving Chronometer

5303-1-diving-chronometer

MSRP $1,768

Islander Islander 38mm Automatic Dive Watch with Solid-Link Bracelet, AR Sapphire Crystal, and Luminous Ceramic Bezel Insert #ISL-05

islander-38mm-automatic-dive-watch-with-solid-link-bracelet-ar-sapphire-crystal-

MSRP $429

At a glance

16 of 29 specs differ

Diameter

Ref. 5303 Diving Chronometer39mm

Islander 38mm Automatic Dive Watch with Solid-Link Bracelet, AR Sapphire Crystal, and Luminous Ceramic Bezel Insert #ISL-0538mm

Power Reserve

Ref. 5303 Diving Chronometer42h

Islander 38mm Automatic Dive Watch with Solid-Link Bracelet, AR Sapphire Crystal, and Luminous Ceramic Bezel Insert #ISL-05—

Water Resistance

Ref. 5303 Diving Chronometer300m

Islander 38mm Automatic Dive Watch with Solid-Link Bracelet, AR Sapphire Crystal, and Luminous Ceramic Bezel Insert #ISL-05200m

MSRP

Ref. 5303 Diving Chronometer$1,768

Islander 38mm Automatic Dive Watch with Solid-Link Bracelet, AR Sapphire Crystal, and Luminous Ceramic Bezel Insert #ISL-05$429

Full specifications

Case

6 specs

Diameter

39mm

38mm

Thickness

12.2mm

13mm

Lug-to-Lug

46.5mm

44.5mm

Finish

Brushed and polished

—

Water Resistance

300m

200m

Caseback

Solid

Engraved screw-in back

Crystal & Dial

4 specs

AR Coating

Yes

Dial Color

Enamel Black

—

Indices

Applied

—

Lume

Super-LumiNova

None

Movement

5 specs

Caliber

M100 COSC

Seiko NH36

Beat Rate

28,800 vph

0 vph

Power Reserve

42h

Jewels

Complications

COSC

None

Pricing

1 specs

MSRP

$1,768

$429

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