Side by side

Serica Ref. 5303 Diving ChronometervsTraska Commuter Carbon Black

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
Commuter Carbon Black
TraskaCommuter Carbon Black
MSRP $700

At a glance

13 of 29 specs differ
Diameter
Ref. 5303 Diving Chronometer39mm
Commuter Carbon Black40mm
Power Reserve
Ref. 5303 Diving Chronometer42h
Commuter Carbon Black42h
Water Resistance
Ref. 5303 Diving Chronometer300m
Commuter Carbon Black100m
MSRP
Ref. 5303 Diving Chronometer$1,768
Commuter Carbon Black$700

Full specifications

Case

7 specs
Category
Diver
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
100m

Crystal & Dial

2 specs
AR Coating
Yes
Underside
Dial Color
Enamel Black
Salmon

Movement

3 specs
Caliber
M100 COSC
MIYOTA 9039
Jewels
25
24
Complications
COSC
Chronograph, Date

Pricing

1 specs
MSRP
$1,768
$700

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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 Commuter Carbon Black

The Traska Commuter Carbon Black is widely praised for its excellent fit and finish, with owners noting its build quality rivals significantly more expensive watches. Its proprietary hardening coating offers notable scratch resistance, and the slim 10.5mm case and comfortable bracelet with toolless micro-adjustment contribute to its wearability. The Miyota 9039 movement powers the watch, and one reviewer noted its accuracy at -10/+20 seconds per day. Some owners find the bracelet potentially too large for wrists under 6.5 inches, and one griped about coarse brushing on the hands and initial stiffness in the crown threading. On balance, owners and reviewers rate the Traska Commuter Carbon Black highly for its exceptional value and robust finishing.

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