Side by side

Serica Ref. 5303 Diving ChronometervsAstor + Banks Chrono

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
Chrono
Astor + BanksChrono
MSRP $575

At a glance

14 of 29 specs differ
Diameter
Ref. 5303 Diving Chronometer39mm
Chrono44mm
Power Reserve
Ref. 5303 Diving Chronometer42h
Chrono40h
Water Resistance
Ref. 5303 Diving Chronometer300m
Chrono100m
MSRP
Ref. 5303 Diving Chronometer$1,768
Chrono$575

Full specifications

Case

6 specs
Category
Diver
Chronograph
Diameter
39mm
44mm
Thickness
12.2mm
Lug-to-Lug
46.5mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
300m
100m

Crystal & Dial

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

Movement

4 specs
Caliber
M100 COSC
Ronda 5050.B
Type
Automatic
Quartz
Power Reserve
42h
40h
Complications
COSC
None

Pricing

1 specs
MSRP
$1,768
$575

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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.

Astor + Banks Chrono

Owners widely praise the Astor + Banks Chrono for its sporty design, wrist-friendly 38.5mm size, and enthusiast-friendly price starting at $525. One reviewer notes the date numeral is consistently half in shadow due to deep-set placement. On balance, owners and reviewers rate the Astor + Banks Chrono highly for its design and value at the price point.

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