Side by side

Serica Ref. 5303 Diving ChronometervsBell & Ross BR-03 White Steel & Gold

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
BR-03 White Steel & Gold
Bell & RossBR-03 White Steel & Gold
MSRP $7,549

At a glance

19 of 29 specs differ
Diameter
Ref. 5303 Diving Chronometer39mm
BR-03 White Steel & Gold41mm
Power Reserve
Ref. 5303 Diving Chronometer42h
BR-03 White Steel & Gold54 hoursh
Water Resistance
Ref. 5303 Diving Chronometer300m
BR-03 White Steel & Gold100m
MSRP
Ref. 5303 Diving Chronometer$1,768
BR-03 White Steel & Gold$7,549

Full specifications

Case

9 specs
Category
Diver
Diameter
39mm
41mm
Thickness
12.2mm
9.4mm
Lug-to-Lug
46.5mm
Lug Width
20mm
Material
Stainless Steel
Rose Gold
Finish
Brushed and polished
Water Resistance
300m
100m
Caseback
Solid

Crystal & Dial

4 specs
Crystal Shape
Flat
AR Coating
Yes
Underside
Dial Color
Enamel Black
Silver
Indices
Applied
Applied indices

Movement

5 specs
Caliber
M100 COSC
BR-CAL.302-1
Beat Rate
28,800 vph
Power Reserve
42h
54 hoursh
Jewels
25
Complications
COSC
Hours/Minutes, Seconds, Date

Pricing

1 specs
MSRP
$1,768
$7,549

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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.

Bell & Ross BR-03 White Steel & Gold

The Bell & Ross BR-03 White Steel & Gold is noted for its dressier interpretation of the brand's square design, featuring a 41mm or 42mm steel case with an 18k rose gold bezel and crown, and an opaline white dial with rose gold accents. Reviewers highlight its slimmer profile, with case thickness reported at 9.65mm and 41mm or 42mm diameter, making it wearable while retaining the signature chunky quirkiness. The BR-CAL.302-1 automatic movement offers a power reserve of 54 to 56 hours. Some find the blue hands on the dial to be a miss, and at its price point, some wish for COSC certification. Overall, reviewers praise the Bell & Ross BR-03 White Steel & Gold for its striking good looks and improved wearability due to its reduced dimensions.

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