Side by side

Seiko Ice DivervsSpinnaker Dumas GMT

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

Ice Diver
SeikoIce Diver
MSRP $900
Dumas GMT
SpinnakerDumas GMT
MSRP $399

At a glance

13 of 29 specs differ
Diameter
Ice Diver45mm
Dumas GMT44mm
Power Reserve
Ice Diver70h
Dumas GMT40h
Water Resistance
Ice Diver200m
Dumas GMT300m
MSRP
Ice Diver$900
Dumas GMT$399

Full specifications

Case

7 specs
Category
Diver
GMT
Diameter
45mm
44mm
Thickness
12.9mm
15mm
Lug-to-Lug
52.6mm
48mm
Lug Width
20mm
22mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
200m
300m

Crystal & Dial

2 specs
Dial Color
Black
Blue
Lume
LumiBrite
None

Movement

3 specs
Caliber
6R35
Seiko NH34A
Power Reserve
70h
40h
Jewels
24
25

Pricing

1 specs
MSRP
$900
$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.

Seiko Ice Diver

Owners widely praise the Seiko Prospex Sea for its robust build, classic dive watch design, and excellent value, with many highlighting its strong lume and comfortable wearability. Reviewers consistently flag its superior bezel action and overall finishing as standout features for its price point. Some owners find the 43mm case size substantial, with one noting it felt big, thick, and heavy on a 6.5-inch wrist, though others consider it a perfect size. The movement's power reserve is noted as less than newer variants by one reviewer. Overall, owners and reviewers rate the Seiko Prospex Sea highly for its classic design and robust build at an accessible price.

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.

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