Side by side

Pagani Design PD-1645vsSerica Ref. 5303 Diving Chronometer

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

PD-1645
Pagani DesignPD-1645
MSRP $123
Ref. 5303 Diving Chronometer
SericaRef. 5303 Diving Chronometer
MSRP $1,768
What people say

Owners + reviewers, side by side

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

Pagani Design PD-1645

Pagani Design PD-1645 owners praise its value, citing the reliable Seiko NH35A automatic movement and sapphire crystal. The 42mm case offers 100m water resistance and a solid endlink bracelet with screw-in links. However, the lume is widely considered poor, and the stock bracelet is criticized for being jangly and lacking adequate micro-adjustments. On balance, owners view the Pagani Design PD-1645 as a capable beater watch primarily due to its robust movement and construction at an accessible price point.

From video reviewers

The sapphire crystal is a notable strength. No consensus on weaknesses. Reviewers did not explicitly disagree on any points.

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.

At a glance

10 of 29 specs differ
Diameter
PD-164542mm
Ref. 5303 Diving Chronometer39mm
Power Reserve
PD-164540h
Ref. 5303 Diving Chronometer42h
Water Resistance
PD-1645100m
Ref. 5303 Diving Chronometer300m
MSRP
PD-1645$123
Ref. 5303 Diving Chronometer$1,768

Full specifications

Case

4 specs
Diameter
42mm
39mm
Thickness
12mm
12.2mm
Lug-to-Lug
46mm
46.5mm
Water Resistance
100m
300m

Crystal & Dial

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

Movement

3 specs
Caliber
M100 COSC
Power Reserve
40h
42h
Complications
None
COSC

Pricing

1 specs
MSRP
$123
$1,768
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