Side by side

Serica Ref. 5303 Diving ChronometervsSinn 6068

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

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.

Sinn 6068

Owners widely praise the Sinn 6068 for its clean aesthetic and compact size, fitting well under a dress cuff. One owner sold theirs due to insufficient wrist time. A user notes the GMT hand on the 6060 variant is not fully independent. Overall, owners rate the Sinn 6068 highly for its blend of classy and functional design suitable for everyday wear.

From video reviewers

The watch's 12-hour UTC function is a notable feature, allowing for the display of two time zones on a 12-hour basis. The watch's lume brightness is a weakness, with reviewers noting that the luminous paint on the hands and appliqués is not particularly strong. Reviewers disagree on the watch's overall appearance, with one reviewer mentioning a sleek appearance due to the polished stainless steel case, while the other reviewer does not provide a description of the watch's appearance.

At a glance

19 of 29 specs differ
Diameter
Ref. 5303 Diving Chronometer39mm
606838.5mm
Power Reserve
Ref. 5303 Diving Chronometer42h
606838h
Water Resistance
Ref. 5303 Diving Chronometer300m
6068100m
MSRP
Ref. 5303 Diving Chronometer$1,768
6068$2,754

Full specifications

Case

8 specs
Category
Diver
Tool
Diameter
39mm
38.5mm
Thickness
12.2mm
12mm
Lug-to-Lug
46.5mm
Lug Width
0mm
20mm
Finish
polished
Water Resistance
300m
100m
Caseback

Crystal & Dial

5 specs
Crystal Shape
AR Coating
Yes
Underside
Dial Color
Enamel Black
Black
Indices
Applied
Lume
Super-LumiNova
Luminescent

Movement

5 specs
Caliber
M100 COSC
SW 300-1
Beat Rate
0 vph
28,800 vph
Power Reserve
42h
38h
Jewels
0
25
Complications
COSC
GMT, Date

Pricing

1 specs
MSRP
$1,768
$2,754
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