Side by side

Serica Ref. 5303 Diving ChronometervsOrient Symphony IV

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
Symphony IV
OrientSymphony IV
MSRP $325

At a glance

18 of 29 specs differ
Diameter
Ref. 5303 Diving Chronometer39mm
Symphony IV41.6mm
Power Reserve
Ref. 5303 Diving Chronometer42h
Symphony IV40h
Water Resistance
Ref. 5303 Diving Chronometer300m
Symphony IV50m
MSRP
Ref. 5303 Diving Chronometer$1,768
Symphony IV$325

Full specifications

Case

7 specs
Category
Diver
Dress
Diameter
39mm
41.6mm
Thickness
12.2mm
11.7mm
Lug-to-Lug
46.5mm
48.3mm
Lug Width
20mm
22mm
Water Resistance
300m
50m
Caseback
Solid
Display

Crystal & Dial

5 specs
Crystal Shape
Flat
AR Coating
Yes
Dial Color
Enamel Black
Champagne
Indices
Applied
Lume
Super-LumiNova
None

Movement

5 specs
Caliber
M100 COSC
F6722
Beat Rate
28,800 vph
21,600 vph
Power Reserve
42h
40h
Jewels
25
22
Complications
COSC
Date

Pricing

1 specs
MSRP
$1,768
$325

Follow this matchup

Get a note when Serica Ref. 5303 Diving Chronometer vs Orient Symphony IV gets more votes, a community discussion, or a price drop. No account needed.

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.

Orient Symphony IV

Owners widely praise the Orient Symphony IV for its exceptional value, in-house movement, and sapphire crystal. The watch is noted for its refined look and feel, with owners finding it wears smaller than its case size suggests and offers excellent band customization options. One owner reports accuracy of approximately -20 seconds per day, while another notes the bracelet is not ideal. Some owners expressed a desire for smaller case size options and preferred darker dials over the all-silver variant. Overall, owners rate the Orient Symphony IV highly for its value and refined appearance at its price point.

Keep exploring

More watches worth a look

Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.

Adjacent matchups

People also compared

Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.