Side by side

Sinn EZM 3FvsFormex Reef 42 mm

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

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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.

Formex Reef 42 mm

The Formex Reef 42 mm is widely praised for its comfortable bracelet featuring a micro-adjust clasp, COSC-certified Sellita movement, and excellent build quality. Owners appreciate the gradient dial's visual appeal and the overall wearability. Some owners note the seconds hand does not perfectly align with markers, and one owner found the lugs' taper hinders third-party strap fit. The bracelet's length and sporty design are noted as limiting versatility by some. On balance, owners and reviewers rate the Formex Reef 42 mm highly for its impressive wearability and value at the price point.

At a glance

18 of 29 specs differ
Diameter
EZM 3F41mm
Reef 42 mm42mm
Power Reserve
EZM 3F38h
Reef 42 mm56h
Water Resistance
EZM 3F200m
Reef 42 mm300m
MSRP
EZM 3F$1,933
Reef 42 mm$2,414

Full specifications

Case

8 specs
Category
Tool
Diver
Diameter
41mm
42mm
Thickness
11.7mm
11.4mm
Lug-to-Lug
47mm
Lug Width
20mm
22mm
Finish
bead-blasted
Water Resistance
200m
300m
Caseback

Crystal & Dial

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

Movement

5 specs
Caliber
Sellita SW200-1
Sellita SW300-1
Beat Rate
28,800 vph
0 vph
Power Reserve
38h
56h
Jewels
26
0
Complications
Date, Pilot's Bezel
None

Pricing

1 specs
MSRP
$1,933
$2,414
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