Certina DS-X GMTvsMomentum Sea Quartz 30 Eclipse - Combined Listing

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Measurements

Catalog photos are all shot at the same flattering size. These aren't: every case below shares one millimeter scale.

Certina DS-X GMT at true scale

DS-X GMT

Momentum Sea Quartz 30 Eclipse - Combined Listing at true scale

Sea Quartz 30 Eclipse - Combined Listing

Diameter

41.2mm

42mm

Lug-to-Lug

48.6mm

n/a

Thickness

12.2mm

lowest

12.6mm

Water Resistance

200m

300m

highest

MSRP

$643

$329

lowest

Movement

F06.865

Seiko VS43

Case

4 specs
Diameter
41.2mm
42mm
Thickness
12.15mm
12.6mm
Lug-to-Lug
48.56mm
n/a
Water Resistance
200m
300m

Crystal & Dial

1 specs
Dial Color
n/a
n/a

Movement

2 specs
Caliber
F06.865
Seiko VS43
Type
Quartz
Solar

Pricing

1 specs
MSRP
$643
$329
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Reviews

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Certina DS-X GMT

Owners widely praise the Certina DS-X GMT for its functional GMT complication, rugged build, and value, with one owner noting its $269 price as a good deal for the well-made quality. Reviewers highlight its vibrant, fun design as a departure from typical offerings, and its practical dual-bezel system. Some owners find the quartz movement a no-brainer for accuracy and lower cost, while others prefer automatics and note the MSRP can be high. The inner 24-hour bezel's 90-click action is criticized for misalignment, and lume is described as functional but not exceptionally bright. One owner reports the bracelet clasp rattles. Overall, owners and reviewers rate the Certina DS-X GMT highly for its functional GMT complication and value at its price point.

Momentum Sea Quartz 30 Eclipse - Combined Listing

Owners widely praise the Momentum Sea Quartz 30 Eclipse for its solid build, comfortable wearability, legibility, and value, with many noting its tank-like construction and attractive vintage-inspired design. The watch is frequently commended for its good lume, sapphire crystal, and overall fit and finish, with one owner reporting durability over eighteen months of use. The Seiko VS43 solar quartz movement powers the watch. Some owners are split on the second-hand alignment, with multiple reports of it hitting between markers, and a few find the bezel action stiff with some backplay or slipperiness. Overall, owners and reviewers rate the Momentum Sea Quartz 30 Eclipse highly for its fun, vintage-inspired dive watch experience at an affordable price.

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