Side by side

Sugess Seestern S430 Titanium DivervsTissot Seastar 1000 Powermatic 80 GMT

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

Seestern S430 Titanium Diver
SugessSeestern S430 Titanium Diver
MSRP $299
Seastar 1000 Powermatic 80 GMT
TissotSeastar 1000 Powermatic 80 GMT
MSRP $1,375

At a glance

16 of 29 specs differ
Diameter
Seestern S430 Titanium Diver40mm
Seastar 1000 Powermatic 80 GMT46mm
Power Reserve
Seestern S430 Titanium Diver40h
Seastar 1000 Powermatic 80 GMT80h
Water Resistance
Seestern S430 Titanium Diver200m
Seastar 1000 Powermatic 80 GMT300m
MSRP
Seestern S430 Titanium Diver$299
Seastar 1000 Powermatic 80 GMT$1,375

Full specifications

Case

6 specs
Category
Diver
GMT
Diameter
40mm
46mm
Thickness
12.5mm
15.4mm
Lug Width
20mm
22mm
Material
Titanium
Stainless Steel
Water Resistance
200m
300m

Crystal & Dial

5 specs
Crystal Shape
Flat
Domed
AR Coating
Inner
Yes
Dial Color
Blue
Black
Indices
Applied
Indexes
Lume
Tritium
Super-LumiNova ®

Movement

4 specs
Caliber
Seiko NH35
Powermatic 80
Beat Rate
3 vph
28,800 vph
Power Reserve
40h
80h
Complications
GMT, Chronograph, Moonphase, Date
None

Pricing

1 specs
MSRP
$299
$1,375

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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.

Sugess Seestern S430 Titanium Diver

Owners widely praise the Sugess Seestern S430 Titanium Diver for its genuine titanium construction, making it extremely light and comfortable at 92 grams on a 6.7-inch wrist. The ceramic bezel is described as fantastic and mesmerizing to use, and the brushed finishing is noted as nice. The watch features an NH38 movement, which is appreciated for its lack of ghost date functionality. However, some owners find the price comparable to competitors and have noted issues with the clasp's fit, with some finding the existing holes insufficient and the rotating arm needing to bend. The crown unscrewing is not smooth, and the bezel action is described as gritty with uneven resistance. One owner reported a crown tube failure on a V1 model. Overall, owners rate the Sugess Seestern S430 Titanium Diver highly for its lightweight titanium build and excellent ceramic bezel, despite some concerns regarding the clasp design.

Tissot Seastar 1000 Powermatic 80 GMT

Owners widely praise the Tissot Seastar 1000 Powermatic 80 GMT for its excellent build quality, smooth winding feel, and the reliable Powermatic 80 movement providing an 80-hour power reserve. Reviewers highlight its remarkable value under $700, comfortable wearability, and appealing case/dial ratio. Some owners note the bezel's functionality for tracking a second time zone and the need to adjust the hour hand for date setting, a characteristic of its "True" GMT function. The rubber strap is considered comparable to those found on significantly more expensive watches. However, concerns exist regarding the movement's serviceability due to potential plastic components and reliance on Swatch Group service centers. Some find the bezel font and dial spacing unappealing, while others question the mineral glass bezel insert as a cost-cutting measure compared to ceramic. Accuracy is generally reported as good, though not COSC certified, and lume intensity is described as average by one owner.

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