Which is cheaper, the Sternglas Merion or the Spinnaker Dumas GMT?

At MSRP the Spinnaker Dumas GMT is the cheaper of the two at $399, against $701 for the Sternglas Merion — a $302 gap before any retailer discounting.

Which is bigger, the Sternglas Merion or the Spinnaker Dumas GMT?

The Spinnaker Dumas GMT wears larger at 44mm versus 41mm for the Sternglas Merion — a 3mm difference across the dial.

Which has better water resistance, the Sternglas Merion or the Spinnaker Dumas GMT?

The Spinnaker Dumas GMT is rated to 300m versus 200m for the Sternglas Merion.

Which has a longer power reserve, the Sternglas Merion or the Spinnaker Dumas GMT?

The Sternglas Merion carries a 41-hour power reserve against 40 hours on the Spinnaker Dumas GMT.

What movement does the Sternglas Merion run compared to the Spinnaker Dumas GMT?

Both watches run automatic movements — the Sternglas Merion uses the Seiko TMI NH35 and the Spinnaker Dumas GMT uses the Seiko NH34A.

Side by side

Sternglas MerionvsSpinnaker Dumas GMT

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

Sternglas Merion

merion-grun-orange

MSRP $701

Spinnaker Dumas GMT

dumas-gmt-automatic-ocean-blue-sp-5119-55

MSRP $399

At a glance

13 of 29 specs differ

Diameter

Merion41mm

Dumas GMT44mm

Power Reserve

Merion41h

Dumas GMT40h

Water Resistance

Merion200m

Dumas GMT300m

MSRP

Merion$701

Dumas GMT$399

Full specifications

Case

7 specs

Crystal & Dial

2 specs

Dial Color

—

Blue

Lume

Luminova

None

Movement

3 specs

Caliber

Seiko TMI NH35

Seiko NH34A

Power Reserve

41h

40h

Jewels

—

Pricing

1 specs

MSRP

$701

$399

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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.

Sternglas Merion

The value proposition of the Sternglas Merion is consistently praised by reviewers. Reviewers disagree on whether the Sternglas Merion is the best dive watch under €500.

Spinnaker Dumas GMT

Owners praise the Spinnaker Dumas GMT's satisfying lume, including on the crown, and good finishing, with one owner finding it wears well on a 17cm wrist. The watch features a Seiko NH34A GMT movement and a blue gradient dial. Reviewers note its 44mm diameter and 209g weight on the bracelet make it unsuitable for smaller wrists.

Fratello

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