Side by side

Serica Ref. 5303 Diving ChronometervsMarloe Watch Company Aerodyne

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
Aerodyne
Marloe Watch CompanyAerodyne
MSRP $443

At a glance

13 of 29 specs differ
Diameter
Ref. 5303 Diving Chronometer39mm
Aerodyne38mm
Power Reserve
Ref. 5303 Diving Chronometer42h
Aerodyne40h
Water Resistance
Ref. 5303 Diving Chronometer300m
Aerodyne100m
MSRP
Ref. 5303 Diving Chronometer$1,768
Aerodyne$443

Full specifications

Case

6 specs
Category
Diver
Pilot
Diameter
39mm
38mm
Thickness
12.2mm
9.8mm
Lug-to-Lug
46.5mm
Lug Width
20mm
18mm
Water Resistance
300m
100m

Crystal & Dial

2 specs
Dial Color
Enamel Black
Lume
Super-LumiNova
Luminous

Movement

4 specs
Caliber
M100 COSC
Miyota 9015
Power Reserve
42h
40h
Jewels
25
24
Complications
COSC
None

Pricing

1 specs
MSRP
$1,768
$443

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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.

Marloe Watch Company Aerodyne

Owners widely praise the Marloe Watch Company Aerodyne for its desirability and comfort, with one user noting the dial's appealing appearance. The Aerodyne line is considered fantastic and underrated, with small details making it suitable as a daily watch. Overall, owners rate the Marloe Watch Company Aerodyne highly for its comfort and desirability as a daily wearer.

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