Side by side

Serica Ref. 5303 Diving ChronometervsPagani Design PD-1783

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

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-1783

Owners praise the Pagani Design PD-1783 for its value, with specific mentions of the Seiko NH36A movement and day-date complication. One owner finds the 40mm model with a purple dial "blingy" and enjoyable, reporting no issues with the day wheel. Another highlights the Wimbledon dial with Roman numerals and a flat sapphire crystal for a cleaner aesthetic. The 36mm variant uses the ST16 movement, with one owner reporting six months of trouble-free operation, though others have experienced issues with this mechanism. On balance, owners appreciate the Pagani Design PD-1783 for its accessible day-date functionality and aesthetic appeal at its price point.

At a glance

10 of 29 specs differ
Diameter
Ref. 5303 Diving Chronometer39mm
PD-178340mm
Power Reserve
Ref. 5303 Diving Chronometer42h
PD-178342h
Water Resistance
Ref. 5303 Diving Chronometer300m
PD-1783100m
MSRP
Ref. 5303 Diving Chronometer$1,768
PD-1783$175

Full specifications

Case

5 specs
Diameter
39mm
40mm
Thickness
12.2mm
12mm
Lug-to-Lug
46.5mm
46mm
Lug Width
20mm
21mm
Water Resistance
300m
100m

Crystal & Dial

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

Movement

2 specs
Caliber
M100 COSC
Miyota 8215
Complications
COSC
None

Pricing

1 specs
MSRP
$1,768
$175
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