Side by side

Serica Ref. 5303 Diving ChronometervsFerro PARAMOUNT

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
PARAMOUNT
FerroPARAMOUNT
MSRP $950

At a glance

13 of 29 specs differ
Diameter
Ref. 5303 Diving Chronometer39mm
PARAMOUNT46mm
Power Reserve
Ref. 5303 Diving Chronometer42h
PARAMOUNT40h
Water Resistance
Ref. 5303 Diving Chronometer300m
PARAMOUNT50m
MSRP
Ref. 5303 Diving Chronometer$1,768
PARAMOUNT$950

Full specifications

Case

6 specs
Category
Diver
Dress
Diameter
39mm
46mm
Thickness
12.2mm
10.5mm
Lug-to-Lug
46.5mm
46mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
300m
50m

Crystal & Dial

3 specs
AR Coating
Yes
Inner
Dial Color
Enamel Black
Silver
Lume
Super-LumiNova
None

Movement

3 specs
Caliber
M100 COSC
Sellita SW200
Power Reserve
42h
40h
Complications
COSC
None

Pricing

1 specs
MSRP
$1,768
$950

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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.

Ferro PARAMOUNT

The pistachio dial with dual-textured surface and applied indices delivers distinctive visual depth. Winding the watch presents a practical concern that diminishes the otherwise compelling manual-wind experience.

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