Side by side

Sinn EZM 3 SvsSpinnaker Dumas Automatic

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

EZM 3 S
SinnEZM 3 S
MSRP $3,046
Dumas Automatic
SpinnakerDumas Automatic
MSRP $239

At a glance

18 of 29 specs differ
Diameter
EZM 3 S41mm
Dumas Automatic44mm
Power Reserve
EZM 3 S38h
Dumas Automatic40h
Water Resistance
EZM 3 S500m
Dumas Automatic300m
MSRP
EZM 3 S$3,046
Dumas Automatic$239

Full specifications

Case

8 specs
Diameter
41mm
44mm
Thickness
12.3mm
15mm
Lug-to-Lug
48mm
Lug Width
20mm
22mm
Material
Stainless Steel
316L Stainless Steel
Finish
bead-blasted, black
Brushed and polished
Water Resistance
500m
300m
Caseback
Solid

Crystal & Dial

5 specs
Crystal Shape
Flat
AR Coating
Underside
Inner
Dial Color
Black
Blue
Indices
Applied
Lume
Luminescent
None

Movement

4 specs
Caliber
SW200-1
SII NH35A
Power Reserve
38h
40h
Jewels
26
25
Complications
Date
None

Pricing

1 specs
MSRP
$3,046
$239

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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.

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.

Spinnaker Dumas Automatic

Owners widely praise the Spinnaker Dumas Automatic for its attractive textured blue dial, applied indices, and well-finished case, noting its comfortable wearability due to a short lug-to-lug distance. Some owners flag the use of mineral crystal instead of sapphire and a bracelet with a learning curve and loose keeper. Overall, owners rate the Spinnaker Dumas Automatic highly for its aesthetics and case finishing at its price point.

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