Side by side

Serica Ref. 5303 Diving ChronometervsFears Brunswick 38 (Steel)

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
Brunswick 38 (Steel)
FearsBrunswick 38 (Steel)
MSRP $3,122

At a glance

15 of 29 specs differ
Diameter
Ref. 5303 Diving Chronometer39mm
Brunswick 38 (Steel)38mm
Power Reserve
Ref. 5303 Diving Chronometer42h
Brunswick 38 (Steel)40h
Water Resistance
Ref. 5303 Diving Chronometer300m
Brunswick 38 (Steel)10m
MSRP
Ref. 5303 Diving Chronometer$1,768
Brunswick 38 (Steel)$3,122

Full specifications

Case

6 specs
Category
Diver
Dress
Diameter
39mm
38mm
Thickness
12.2mm
20mm
Lug-to-Lug
46.5mm
42mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
300m
10m

Crystal & Dial

4 specs
Crystal
Sapphire
Domed Sapphire
AR Coating
Yes
Inner
Dial Color
Enamel Black
Steel
Lume
Super-LumiNova
None

Movement

4 specs
Caliber
M100 COSC
LJP D100
Type
Automatic
Manual
Power Reserve
42h
40h
Complications
COSC
None

Pricing

1 specs
MSRP
$1,768
$3,122

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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.

Fears Brunswick 38 (Steel)

The Fears Brunswick 38 (Steel) is widely praised for its elegant 38mm case size and striking dial finishes, with reviewers highlighting the hand-polished Polar White dial's art-deco numerals, the Silver Sector dial's Arabic numerals, and the Champagne dial's glass bead-blasted texture. Case finishing is consistently noted as well-executed with a mix of brushing and polishing. Ownership and reviews mention 100 meters of water resistance. Some owners question the $4,400 price point, with one suggesting the bracelet adds an unjustified cost. The watch utilizes a manually wound ETA 7001 movement with a 40-hour power reserve, which one reviewer found a bit dated and noted the lack of hacking seconds; another review noted a La Joux Perret D100 movement with a 50-hour power reserve, stating its finishing was appropriate for the $3,650 price point.

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