Side by side

Tissot Seastar 1000 GMTvsYema Superman Titanium Tourbillon CMM.31 Limited Edition

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

Seastar 1000 GMT
TissotSeastar 1000 GMT
MSRP $575
Superman Titanium Tourbillon CMM.31 Limited Edition
YemaSuperman Titanium Tourbillon CMM.31 Limited Edition
MSRP $13,000

At a glance

12 of 29 specs differ
Diameter
Seastar 1000 GMT40mm
Superman Titanium Tourbillon CMM.31 Limited Edition43mm
Power Reserve
Seastar 1000 GMT40h
Superman Titanium Tourbillon CMM.31 Limited Edition40h
Water Resistance
Seastar 1000 GMT300m
Superman Titanium Tourbillon CMM.31 Limited Edition300m
MSRP
Seastar 1000 GMT$575
Superman Titanium Tourbillon CMM.31 Limited Edition$13,000

Full specifications

Case

5 specs
Diameter
40mm
43mm
Thickness
11.77mm
11.7mm
Lug-to-Lug
40mm
Lug Width
20mm
22mm
Material
Stainless Steel
Titanium

Crystal & Dial

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

Movement

2 specs
Caliber
11 1/2'''
Yema CMM.31 Tourbillon
Type
Quartz
Automatic

Pricing

1 specs
MSRP
$575
$13,000

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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.

Yema Superman Titanium Tourbillon CMM.31 Limited Edition

The Yema Superman Titanium Tourbillon CMM.31 Limited Edition is noted for its in-house titanium tourbillon movement offering a 105-hour power reserve and 200m water resistance, alongside a unique asphalt-grained dial. Owners find the 43mm size wearable, with one describing it as a contradictory "toolwatch" with exceptional movement craftsmanship. A reviewer flags the bracelet clasp's extension system as crude. On balance, owners and reviewers highlight the impressive movement and dial as key strengths of the Yema Superman Titanium Tourbillon CMM.31 Limited Edition.

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