Side by side

Serica Ref. 5303 Diving ChronometervsTissot Heritage 1938

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
Heritage 1938
TissotHeritage 1938
MSRP $925

At a glance

12 of 29 specs differ
Diameter
Ref. 5303 Diving Chronometer39mm
Heritage 193839mm
Power Reserve
Ref. 5303 Diving Chronometer42h
Heritage 193838h
Water Resistance
Ref. 5303 Diving Chronometer300m
Heritage 193850m
MSRP
Ref. 5303 Diving Chronometer$1,768
Heritage 1938$925

Full specifications

Case

4 specs
Category
Diver
Dress
Thickness
12.2mm
11.1mm
Lug-to-Lug
46.5mm
39mm
Water Resistance
300m
50m

Crystal & Dial

4 specs
Crystal Shape
Flat
Domed
Dial Color
Enamel Black
Anthracite
Indices
Applied
Arabic
Lume
Super-LumiNova
None

Movement

3 specs
Caliber
M100 COSC
11 1/2'''
Power Reserve
42h
38h
Complications
COSC
None

Pricing

1 specs
MSRP
$1,768
$925

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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.

Tissot Heritage 1938

Owners and reviewers widely praise the Tissot Heritage 1938 for its stunning vintage-inspired design and excellent value, particularly as a COSC-certified automatic under $1000. The dial's ability to catch light and subtly change colors, along with rosy gold numerals, is a frequent highlight. The watch uses a chronometer-certified ETA 2824-2 movement, though its 38-hour power reserve is noted as less than some contemporary offerings. Some owners find the 39mm case size appears larger on the wrist, with a desire for smaller options. Overall, owners rate the Tissot Heritage 1938 highly for its charming retro aesthetics and impressive chronometer movement at an accessible price point.

From video reviewers

The most attainable Swiss chronometer is a key strength. Reviewers did not agree on any weaknesses.

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