Which is cheaper, the Sinn EZM 3F or the Spinnaker Spence 300?

At MSRP the Spinnaker Spence 300 is the cheaper of the two at $650, against $1,933 for the Sinn EZM 3F — a $1,283 gap before any retailer discounting.

Which is bigger, the Sinn EZM 3F or the Spinnaker Spence 300?

The Sinn EZM 3F wears larger at 41mm versus 40mm for the Spinnaker Spence 300 — a 1mm difference across the dial.

Which has better water resistance, the Sinn EZM 3F or the Spinnaker Spence 300?

The Spinnaker Spence 300 is rated to 300m versus 200m for the Sinn EZM 3F.

Which has a longer power reserve, the Sinn EZM 3F or the Spinnaker Spence 300?

The Spinnaker Spence 300 carries a 40-hour power reserve against 38 hours on the Sinn EZM 3F.

What movement does the Sinn EZM 3F run compared to the Spinnaker Spence 300?

Both watches run automatic movements — the Sinn EZM 3F uses the SW200-1 and the Spinnaker Spence 300 uses the SII NH35A.

Side by side

Sinn EZM 3FvsSpinnaker Spence 300

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

Sinn EZM 3F

EZM 3F

MSRP $1,933

Spinnaker Spence 300

spence-300-automatic-aquamarine-sp-5097-aa

MSRP $650

At a glance

18 of 29 specs differ

Diameter

EZM 3F41mm

Spence 30040mm

Power Reserve

EZM 3F38h

Spence 30040h

Water Resistance

EZM 3F200m

Spence 300300m

MSRP

EZM 3F$1,933

Spence 300$650

Full specifications

Case

8 specs

Crystal & Dial

5 specs

Crystal Shape

—

Flat

AR Coating

Underside

Inner

Dial Color

Black

Aquamarine

Indices

—

Applied

Lume

Luminescent

None

Movement

4 specs

Caliber

SW200-1

SII NH35A

Power Reserve

38h

40h

Jewels

Complications

Date, Pilot's Bezel

None

Pricing

1 specs

MSRP

$1,933

$650

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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.

WatchUSeek

Spinnaker Spence 300

The Spinnaker Spence 300 is widely praised for its slim 10.9mm case and 40mm diameter, offering a comfortable and uncommon thin diver design at its price point. Reviewers and owners highlight its value, especially below $350, and its blend of retro design with modern specifications, including a 300m depth rating and a fully indexed bezel. Some owners, however, find the dial printing and bracelet finishing to be less refined, with one noting the bracelet's male end links as a drawback. The consensus is that the Spinnaker Spence 300 is highly regarded for its exceptional value and wearable dimensions, making it a strong contender for an everyday sports watch.

Fratello

WatchUSeek

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