Which is cheaper, the Serica Ref. 5303 Diving Chronometer or the Core Timepieces STONED?

At MSRP the Core Timepieces STONED is the cheaper of the two at $549, against $1,768 for the Serica Ref. 5303 Diving Chronometer — a $1,219 gap before any retailer discounting.

Which is bigger, the Serica Ref. 5303 Diving Chronometer or the Core Timepieces STONED?

The Core Timepieces STONED wears larger at 42mm versus 39mm for the Serica Ref. 5303 Diving Chronometer — a 3mm difference across the dial.

What movement does the Serica Ref. 5303 Diving Chronometer run compared to the Core Timepieces STONED?

Both watches run automatic movements — the Serica Ref. 5303 Diving Chronometer uses the M100 COSC and the Core Timepieces STONED uses the Seiko NH36A.

Side by side

Serica Ref. 5303 Diving ChronometervsCore Timepieces STONED

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

Add a watch

Serica Ref. 5303 Diving Chronometer

5303-1-diving-chronometer

MSRP $1,768

Core Timepieces STONED

MSRP $549

Buy from Serica ↗

Buy used on eBay ↗

Buy from Core Timepieces ↗

Buy used on eBay ↗

At a glance

12 of 29 specs differ

Diameter

Ref. 5303 Diving Chronometer39mm

STONED42mm

Power Reserve

Ref. 5303 Diving Chronometer42h

STONED—

Water Resistance

Ref. 5303 Diving Chronometer300m

STONED300m

MSRP

Ref. 5303 Diving Chronometer$1,768

STONED$549

Full specifications

Case

5 specs

Crystal & Dial

3 specs

AR Coating

Yes

Inner

Dial Color

Enamel Black

Malachite Gemstone

Lume

Super-LumiNova

None

Movement

3 specs

Caliber

M100 COSC

Seiko NH36A

Power Reserve

42h

—

Complications

COSC

None

Pricing

1 specs

MSRP

$1,768

—

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