Side by side

Tissot Seastar 1000 GMTvsUndone Calavera Neón

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

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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.

Tissot Seastar 1000 GMT

Owners widely praise the Tissot Seastar 1000 GMT for its sapphire crystal, 300m water resistance, and GMT complication, with one owner expressing deep satisfaction. A point of contention for some is that Swiss quartz movements may exhibit second-hand misalignment with markers, unlike certain Japanese quartz movements. On balance, owners rate the Tissot Seastar 1000 GMT highly for its robust features and value.

Undone Calavera Neón

The dial's vibrant colors under UV light are a standout feature. The watch uses a Seiko VK61 or TMI VK64 mechanical-quartz hybrid flyback chronograph movement.

At a glance

12 of 29 specs differ
Diameter
Seastar 1000 GMT40mm
Calavera Neón40mm
Power Reserve
Seastar 1000 GMT
Calavera Neón
Water Resistance
Seastar 1000 GMT300m
Calavera Neón30m
MSRP
Seastar 1000 GMT$575
Calavera Neón$365

Full specifications

Case

5 specs
Category
Diver
Thickness
11.77mm
0mm
Lug-to-Lug
40mm
0mm
Lug Width
20mm
0mm
Water Resistance
300m
30m

Crystal & Dial

4 specs
Crystal
Sapphire
Dial Color
Black
Indices
Indexes
Lume
Super-LumiNova ®
None

Movement

2 specs
Caliber
11.5'
Seiko VK64
Power Reserve
0h

Pricing

1 specs
MSRP
$575
$365
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