Side by side

Serica Ref. 5303 Diving ChronometervsPagani Design PD-1673 Royal Oak

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

Ref. 5303 Diving Chronometer
SericaRef. 5303 Diving Chronometer
MSRP $1,768
PD-1673 Royal Oak
Pagani DesignPD-1673 Royal Oak
MSRP $142

At a glance

9 of 29 specs differ
Diameter
Ref. 5303 Diving Chronometer39mm
PD-1673 Royal Oak40mm
Power Reserve
Ref. 5303 Diving Chronometer42h
PD-1673 Royal Oak42h
Water Resistance
Ref. 5303 Diving Chronometer300m
PD-1673 Royal Oak100m
MSRP
Ref. 5303 Diving Chronometer$1,768
PD-1673 Royal Oak$142

Full specifications

Case

4 specs
Diameter
39mm
40mm
Thickness
12.2mm
12mm
Lug-to-Lug
46.5mm
46mm
Water Resistance
300m
100m

Crystal & Dial

2 specs
Dial Color
Enamel Black
Black
Lume
Super-LumiNova
None

Movement

2 specs
Caliber
M100 COSC
Complications
COSC
None

Pricing

1 specs
MSRP
$1,768
$142

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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.

Pagani Design PD-1673 Royal Oak

Owners widely praise the Pagani Design PD-1673 Royal Oak for its surprisingly nice finishing for the price and its beautiful aesthetic, with one owner rating it an 8/10 and calling it a favorite. Some owners note the end link appears larger than the lugs, a design element present in official renders, and one commenter found the watch too big. Another owner considers the chronograph variant too flashy and sporty for versatility, with concerns about bracelet attachment and suitability only for larger wrists. Overall, owners rate the Pagani Design PD-1673 Royal Oak highly for its aesthetic appeal and finishing at its price point.

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