Side by side

Serica Ref. 5303 Diving ChronometervsPhoibos Apollo

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
Apollo
PhoibosApollo
MSRP $460

At a glance

8 of 29 specs differ
Diameter
Ref. 5303 Diving Chronometer39mm
Apollo39mm
Power Reserve
Ref. 5303 Diving Chronometer42h
Apollo40h
Water Resistance
Ref. 5303 Diving Chronometer300m
Apollo200m
MSRP
Ref. 5303 Diving Chronometer$1,768
Apollo$460

Full specifications

Case

3 specs
Thickness
12.2mm
11mm
Lug-to-Lug
46.5mm
46mm
Water Resistance
300m
200m

Crystal & Dial

1 specs
Dial Color
Enamel Black
Blue

Movement

3 specs
Caliber
M100 COSC
Miyota 9015
Power Reserve
42h
40h
Complications
COSC
None

Pricing

1 specs
MSRP
$1,768
$460

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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.

Phoibos Apollo

The Phoibos Apollo is widely praised for its unique design, outstanding lume, and lightweight titanium build, with owners highlighting its comfortable 41mm wearability and value powered by a Miyota 9015 movement. Some find the "rocket" hand design hinders quick time-telling, and the bracelet does not taper. A few owners consider its price point high relative to other titanium and bronze offerings. Overall, owners rate the Phoibos Apollo highly for its distinctive aesthetic and excellent lume at the price.

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