Side by side

Serica Ref. 5303 Diving ChronometervsPagani Design PD-1731

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-1731

Pagani Design PD-1731 owners praise its simple, neutral dial that pairs well with various straps and bracelets, along with its good build quality and materials. The watch is powered by a Seiko VH31 meca-quartz movement and is widely considered outstanding value. One owner noted an issue with a bracelet screw. On balance, owners rate the Pagani Design PD-1731 highly for its versatility and value.

From video reviewers

The Seiko VH31 meca-quartz movement with its sweeping seconds hand is a consistent strength. Reviewers noted issues with screw quality control and the caseback. There was disagreement on whether the 10 Bar water resistance was a significant weakness.

At a glance

12 of 29 specs differ
Diameter
Ref. 5303 Diving Chronometer39mm
PD-173138mm
Power Reserve
Ref. 5303 Diving Chronometer42h
PD-1731
Water Resistance
Ref. 5303 Diving Chronometer300m
PD-1731100m
MSRP
Ref. 5303 Diving Chronometer$1,768
PD-1731$107

Full specifications

Case

5 specs
Diameter
39mm
38mm
Thickness
12.2mm
12.5mm
Lug-to-Lug
46.5mm
0mm
Lug Width
0mm
20mm
Water Resistance
300m
100m

Crystal & Dial

2 specs
Dial Color
Enamel Black
Lume
Super-LumiNova
None

Movement

4 specs
Caliber
M100 COSC
Seiko VH31
Type
Automatic
Quartz
Power Reserve
42h
0h
Complications
COSC
None

Pricing

1 specs
MSRP
$1,768
$107
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