Side by side

Hamilton American Classic Intra-Matic Auto ChronovsSerica Réf. 5303 PLD

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

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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.

Hamilton American Classic Intra-Matic Auto Chrono

Owners widely praise the Hamilton American Classic Intra-Matic Auto Chrono for its historically significant retro design, clean panda dial, and value, with many noting its comfortable wearability and how it garners compliments. Reviewers and owners alike highlight its attractive dial with well-placed sub-registers and polished indices, evoking a vintage charm. Some owners find the 14mm+ case thickness substantial, though others note it wears smaller than expected and fits under shirt cuffs. The H-31 movement's rotor is described as spinny by one owner, and accuracy figures range from +3 to +8 seconds per day, with one owner noting the OEM strap is utilitarian. On balance, owners and reviewers rate the Hamilton American Classic Intra-Matic Auto Chrono highly for its vintage aesthetic and value proposition.

From video reviewers

The panda dial's contrasting subdials are a notable strength. The bracelet clasp is considered less refined than the rest of the watch.

Serica Réf. 5303 PLD

Owners widely praise the Serica Réf. 5303 PLD for its sophisticated design and refined finishing that exceeds its price point, noting its ability to blend dress and tool watch aesthetics and wear thinly under cuffs. One owner reports the screw-down crown has loosened during wear, raising concerns for dive-use integrity, while another questions the practicality of the no-deco dive scale for specialized diving. Reviewers find the 39mm case wears slightly small and note the mesh bracelet feels dainty for a military-themed watch. Overall, owners and reviewers rate the Serica Réf. 5303 PLD highly for its elegant finishing and versatile design that punches above its weight class.

At a glance

9 of 29 specs differ
Diameter
American Classic Intra-Matic Auto Chrono40mm
Réf. 5303 PLD39mm
Power Reserve
American Classic Intra-Matic Auto Chrono60h
Réf. 5303 PLD42h
Water Resistance
American Classic Intra-Matic Auto Chrono100m
Réf. 5303 PLD300m
MSRP
American Classic Intra-Matic Auto Chrono$2,645
Réf. 5303 PLD$1,974

Full specifications

Case

5 specs
Category
Chronograph
Diameter
40mm
39mm
Thickness
14.45mm
12.2mm
Lug-to-Lug
0mm
46.5mm
Water Resistance
100m
300m

Crystal & Dial

1 specs
Dial Color
White

Movement

2 specs
Caliber
Hamilton H-31
Soprod M100
Power Reserve
60h
42h

Pricing

1 specs
MSRP
$2,645
$1,974
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