Side by side

Sinn EZM 3 SvsGrand Seiko SLGB023

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
SLGB023
Grand SeikoSLGB023
MSRP $12,400

At a glance

18 of 29 specs differ
Diameter
EZM 3 S41mm
SLGB02340.8mm
Power Reserve
EZM 3 S38h
SLGB02372h
Water Resistance
EZM 3 S500m
SLGB023300m
MSRP
EZM 3 S$3,046
SLGB023$12,400

Full specifications

Case

8 specs
Diameter
41mm
40.8mm
Thickness
12.3mm
12.9mm
Lug-to-Lug
48.5mm
Lug Width
20mm
21mm
Material
Stainless Steel
Titanium
Finish
bead-blasted, black
Brushed and polished
Water Resistance
500m
300m
Caseback
Solid

Crystal & Dial

4 specs
Crystal Shape
Flat
AR Coating
Underside
Yes
Indices
Applied
Lume
Luminescent
None

Movement

5 specs
Caliber
SW200-1
9RB1
Type
Automatic
Spring Drive
Power Reserve
38h
72h
Jewels
26
25
Complications
Date
None

Pricing

1 specs
MSRP
$3,046
$12,400

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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.

Grand Seiko SLGB023

Owners and reviewers widely praise the Grand Seiko SLGB023 for its comfortable 40.8mm titanium case and the smooth winding feel of its Spring Drive 9RB1 movement. The dial's gradient blue "ushio" motif is a highlight, though some reviewers note the bezel's fully lumed scale as a missed opportunity. Enthusiasts are divided on the power reserve indicator's placement and the design of the hour and minute hands. Overall, owners and reviewers rate the Grand Seiko SLGB023 highly for its comfortable titanium case and the refined Spring Drive movement.

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