Side by side

Serica Ref. 5330 Diving Chronometer DatevsSinn EZM 3 S

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. 5330 Diving Chronometer Date

Serica is praised for its comfortable 39mm case, distinctive twin-scale bezel, and well-executed mesh bracelet. Owners widely report a dial balance and minimal text inspired by 60s dive watches. However, multiple owners flag significant quality control issues, including dials moving when the crown is pulled, minute hands jumping, and misaligned or difficult-to-turn bezels. The 5330 Dive Chronometer variant, which includes a date window, retails for €1,690 and uses a COSC-certified Soprod M100 automatic movement. Overall, owners rate Serica highly for its comfortable 39mm size and dive watch aesthetics, though quality control concerns are a notable caveat.

Sinn EZM 3 S

The Sinn EZM 3 S is a tactical dive watch built for extreme conditions, featuring a 500-meter depth rating and Tegiment technology for enhanced scratch resistance. It is powered by a Sellita SW200-1 movement, offering a 38-hour power reserve. On balance, reviewers highlight its robust build and purpose-driven design for demanding environments.

At a glance

16 of 29 specs differ
Diameter
Ref. 5330 Diving Chronometer Date39mm
EZM 3 S41mm
Power Reserve
Ref. 5330 Diving Chronometer Date42h
EZM 3 S38h
Water Resistance
Ref. 5330 Diving Chronometer Date300m
EZM 3 S500m
MSRP
Ref. 5330 Diving Chronometer Date$2,005
EZM 3 S$3,046

Full specifications

Case

6 specs
Diameter
39mm
41mm
Thickness
12.2mm
12.3mm
Lug-to-Lug
46.5mm
Finish
bead-blasted, black
Water Resistance
300m
500m
Caseback

Crystal & Dial

4 specs
Crystal Shape
AR Coating
Yes
Underside
Indices
Lume
Super-LumiNova
Luminescent

Movement

5 specs
Caliber
Soprod M100
Sellita SW200-1
Beat Rate
0 vph
28,800 vph
Power Reserve
42h
38h
Jewels
0
26
Complications
COSC, Date
Date

Pricing

1 specs
MSRP
$2,005
$3,046
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