Side by side

Serica Ref. 5303 Diving ChronometervsCitizen ATTESA Platinum Shine

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
ATTESA Platinum Shine
CitizenATTESA Platinum Shine
MSRP $1,095

At a glance

14 of 29 specs differ
Diameter
Ref. 5303 Diving Chronometer39mm
ATTESA Platinum Shine40.6mm
Power Reserve
Ref. 5303 Diving Chronometer42h
ATTESA Platinum Shine40h
Water Resistance
Ref. 5303 Diving Chronometer300m
ATTESA Platinum Shine100m
MSRP
Ref. 5303 Diving Chronometer$1,768
ATTESA Platinum Shine$1,095

Full specifications

Case

6 specs
Category
Diver
GMT
Diameter
39mm
40.6mm
Thickness
12.2mm
12mm
Lug-to-Lug
46.5mm
46mm
Material
Stainless Steel
Super Titanium
Water Resistance
300m
100m

Crystal & Dial

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

Movement

4 specs
Caliber
M100 COSC
H145
Type
Automatic
Solar
Power Reserve
42h
40h
Complications
COSC
None

Pricing

1 specs
MSRP
$1,768
$1,095

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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.

Citizen ATTESA Platinum Shine

The Citizen ATTESA Platinum Shine is praised for its unique crystallized titanium, with the bracelet's center link featuring naturally occurring crystal patterns. Its Super Titanium™ case and bracelet are treated with Duratect Platinum for a bright silver finish, complemented by a Duratect DLC bezel. The dial and hands are designed to resemble a luminous full moon, and it incorporates an Eco-Drive Radio Controlled movement with Direct Flight functionality for straightforward time zone adjustments. This model is a limited edition of 1,400 pieces worldwide. Overall, owners are captivated by the striking aesthetic of the crystallized titanium and the moon-themed dial.

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