Side by side

Sinn EZM 3FvsLongines HYDROCONQUEST GMT

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

EZM 3F
SinnEZM 3F
MSRP $1,933
HYDROCONQUEST GMT
LonginesHYDROCONQUEST GMT
MSRP $3,350

At a glance

17 of 29 specs differ
Diameter
EZM 3F41mm
HYDROCONQUEST GMT41mm
Power Reserve
EZM 3F38h
HYDROCONQUEST GMT40h
Water Resistance
EZM 3F200m
HYDROCONQUEST GMT300m
MSRP
EZM 3F$1,933
HYDROCONQUEST GMT$3,350

Full specifications

Case

7 specs
Category
Tool
Diver
Thickness
11.7mm
12.9mm
Lug-to-Lug
49.4mm
Lug Width
20mm
21mm
Finish
bead-blasted
Brushed and polished
Water Resistance
200m
300m
Caseback
Solid

Crystal & Dial

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

Movement

4 specs
Caliber
SW200-1
L844.5
Power Reserve
38h
40h
Jewels
26
25
Complications
Date, Pilot's Bezel
None

Pricing

1 specs
MSRP
$1,933
$3,350

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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 3F

Owners widely praise the Sinn EZM 3F for its excellent legibility, robust bead-blasted build, and practical left-hand crown, with some noting its compact, slim wearability and smart appearance on a bracelet. One owner flags minor finishing imperfections and an awkward date window placement, and expresses a desire for tegimented scratch resistance. Overall, owners rate the Sinn EZM 3F highly for its practical mission timer design and compact wearability.

From video reviewers

The Sinn EZM 3F's Ar-Dehumidifying Technology for fogging prevention and temperature resistance is a key strength. Reviewers noted the bracelet lacked on-the-fly micro-adjustment and diver's extensions.

Longines HYDROCONQUEST GMT

Owners widely praise the Longines HYDROCONQUEST GMT for its excellent finishing, smooth winding action, and overall value, with some finding its build quality and colorways superior to higher-priced competitors. Reviewers and owners alike note its robustness as a traveler's dive watch with a true GMT movement. Some owners find the round markers at 6 and 9 disrupt dial symmetry, and the GMT hour markers are described as tiny and difficult to read. The date wheel can be mismatched on certain dial colors, and the bracelet clasp is noted as sharp by one reviewer. While some owners wish for a smaller case size, others find the 41mm comfortable. The bezel action is flagged as having bounce-back by one owner, though the brushed finish effectively hides wear. Overall, owners and reviewers rate the Longines HYDROCONQUEST GMT highly for its robust build and excellent value proposition.

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