Side by side

Serica Ref. 5303 Diving ChronometervsTraska Seafarer Charcoal

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
Seafarer Charcoal
TraskaSeafarer Charcoal
MSRP $665

At a glance

13 of 29 specs differ
Diameter
Ref. 5303 Diving Chronometer39mm
Seafarer Charcoal40mm
Power Reserve
Ref. 5303 Diving Chronometer42h
Seafarer Charcoal42h
Water Resistance
Ref. 5303 Diving Chronometer300m
Seafarer Charcoal150m
MSRP
Ref. 5303 Diving Chronometer$1,768
Seafarer Charcoal$665

Full specifications

Case

6 specs
Diameter
39mm
40mm
Thickness
12.2mm
12mm
Lug-to-Lug
46.5mm
46mm
Material
Stainless Steel
316L Stainless Steel
Finish
Brushed and polished
Brushed + Polished
Water Resistance
300m
150m

Crystal & Dial

3 specs
AR Coating
Yes
Underside
Dial Color
Enamel Black
White
Lume
Super-LumiNova
Super-LumiNova BGW9

Movement

3 specs
Caliber
M100 COSC
9039
Jewels
25
24
Complications
COSC
Chronograph

Pricing

1 specs
MSRP
$1,768
$665

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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.

Traska Seafarer Charcoal

The Traska Seafarer Charcoal's notable strength is its refined finishing, which elevates it from a field watch to a luxury-like piece. A shared weakness is the dim lume, which may be a drawback for those who value nighttime visibility. Reviewers disagree on the watch's build, with one reviewer noting a more substantial build and larger case size, while the other does not mention this feature.

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