Seiko Ice DivervsSpinnaker Dumas Automatic
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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.

Ice Diver

Dumas Automatic
Diameter
45mm
44mm
Lug-to-Lug
52.6mm
48mm
lowest
Thickness
12.9mm
lowest
15mm
Water Resistance
200m
300m
highest
Power Reserve
70h
n/a
MSRP
$900
$239
lowest
Movement
Seiko 6R35
Seiko NH35
Case
6 specsCrystal & Dial
2 specsMovement
3 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
The Seiko Ice Diver is widely praised for its excellent value and robust build, with owners and reviewers highlighting its classic Seiko strengths in legibility and lume. Some owners find the 45mm case size substantial, with one noting it felt big, thick, and heavy on a 6.5-inch wrist, while another found it a perfect size. Overall, owners rate the Seiko Ice Diver highly for its classic design and value.
Owners widely praise the Spinnaker Dumas Automatic for its robust build quality, attractive textured blue dial, and excellent finishing for its price point. The watch is noted for its comfortable wearability, attributed to a short lug-to-lug distance, and owners report positive experiences with the Seiko NH35 movement. Some owners mention a mineral crystal instead of sapphire, a bracelet with a learning curve, and a crown that feels slightly small. Overall, owners rate the Spinnaker Dumas Automatic highly for its aesthetic appeal and solid construction at a fair price.
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