Which is cheaper, the Serica Ref. 5303 Diving Chronometer or the Longines ELEGANT COLLECTION?

At MSRP the Serica Ref. 5303 Diving Chronometer is the cheaper of the two at $1,768, against $2,500 for the Longines ELEGANT COLLECTION — a $732 gap before any retailer discounting.

Which is bigger, the Serica Ref. 5303 Diving Chronometer or the Longines ELEGANT COLLECTION?

The Serica Ref. 5303 Diving Chronometer wears larger at 39mm versus 29mm for the Longines ELEGANT COLLECTION — a 10mm difference across the dial.

Which has better water resistance, the Serica Ref. 5303 Diving Chronometer or the Longines ELEGANT COLLECTION?

The Serica Ref. 5303 Diving Chronometer is rated to 300m versus 30m for the Longines ELEGANT COLLECTION.

Which has a longer power reserve, the Serica Ref. 5303 Diving Chronometer or the Longines ELEGANT COLLECTION?

The Longines ELEGANT COLLECTION carries a 45-hour power reserve against 42 hours on the Serica Ref. 5303 Diving Chronometer.

What movement does the Serica Ref. 5303 Diving Chronometer run compared to the Longines ELEGANT COLLECTION?

Both watches run automatic movements — the Serica Ref. 5303 Diving Chronometer uses the M100 COSC and the Longines ELEGANT COLLECTION uses the L592.5.

Side by side

Serica Ref. 5303 Diving ChronometervsLongines ELEGANT COLLECTION

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

Longines ELEGANT COLLECTION

L4.310.4.79.6

MSRP $2,500

At a glance

19 of 29 specs differ

Diameter

Ref. 5303 Diving Chronometer39mm

ELEGANT COLLECTION29mm

Power Reserve

Ref. 5303 Diving Chronometer42h

ELEGANT COLLECTION45h

Water Resistance

Ref. 5303 Diving Chronometer300m

ELEGANT COLLECTION30m

MSRP

Ref. 5303 Diving Chronometer$1,768

ELEGANT COLLECTION$2,500

Full specifications

Case

8 specs

Crystal & Dial

4 specs

Crystal Shape

Flat

—

AR Coating

Yes

—

Dial Color

Enamel Black

Silver

Indices

Applied

Diamond indexes

Movement

6 specs

Caliber

M100 COSC

L592.5

Power Reserve

42h

45h

Jewels

Hacking

Yes

Hand-winding

Yes

Complications

COSC

Hours, minutes, seconds and date

Pricing

1 specs

MSRP

$1,768

$2,500

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What people say

Owners + reviewers, side by side

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Serica Ref. 5303 Diving Chronometer

Owners widely praise the Serica Ref. 5303 Diving Chronometer for its excellent wearability, definitive style, and smooth, confident bezel action. The dual scale on the bezel is noted as surprisingly useful, and the crown action, winding, and hacking are reported to work perfectly. One owner describes the Serica 5303-3 as gorgeous and unique, though another notes the crown can appear comically large. On balance, owners rate the Serica Ref. 5303 Diving Chronometer highly for its blend of unique design and robust functionality.

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Longines ELEGANT COLLECTION

The Longines Elegant Collection is praised for its modern, retro aesthetic and simplicity, with owners describing it as "very elegant" and "very classy." On balance, the Longines Elegant Collection is well-regarded by owners for its sophisticated and timeless design.

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