Side by side

Tissot Seastar 1000vsSinn U50 SDR with TEGIMENT option

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

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

Owners widely praise the Tissot Seastar 1000 for its value, solid build, and 300m water resistance, with reviewers highlighting its comfortable wearability and affordable price point for a sporty diver. Some owners find the bezel difficult to use and note glare from the crystal, while others criticize the lume and bracelet quality, with one owner describing the clasp as flimsy. Accuracy figures for the quartz models are excellent, and the Powermatic 80 movement is considered reliable. Overall, owners and reviewers rate the Tissot Seastar 1000 highly for its strong value proposition as a sporty, affordable everyday watch.

From video reviewers

The 80-hour power reserve from the Powermatic 80 movement is a significant strength. Reviewers did not reach a consensus on any weaknesses.

Sinn U50 SDR with TEGIMENT option

The Sinn U50 SDR with TEGIMENT option is widely praised for its robust submarine steel construction, impressive 50bar water resistance, and excellent anti-reflective coating. Owners and reviewers highlight its toolish, legible dial, satisfyingly tactile bezel, and the outstanding scratch resistance provided by the TEGIMENT hardening. Some owners note the lume is underwhelming, and a few find the clasp aesthetically large and chunky despite its functional diver's extension. Overall, owners and reviewers rate the Sinn U50 SDR with TEGIMENT option highly for its exceptional build quality and scratch resistance at its price point.

At a glance

17 of 29 specs differ
Diameter
Seastar 100040mm
U50 SDR with TEGIMENT option41mm
Power Reserve
Seastar 100080h
U50 SDR with TEGIMENT option38h
Water Resistance
Seastar 1000300m
U50 SDR with TEGIMENT option500m
MSRP
Seastar 1000$875
U50 SDR with TEGIMENT option$3,326

Full specifications

Case

6 specs
Diameter
40mm
41mm
Thickness
12.48mm
11.2mm
Lug-to-Lug
40mm
Finish
bead-blasted
Water Resistance
300m
500m
Caseback

Crystal & Dial

5 specs
Crystal Shape
AR Coating
Yes
Underside
Dial Color
Graded grey-black
Black
Indices
Indexes
Lume
Super-LumiNova ®
Luminescent

Movement

5 specs
Caliber
Tissot Powermatic 80
Sellita SW300-1
Beat Rate
0 vph
28,800 vph
Power Reserve
80h
38h
Jewels
0
25
Complications
None
Date

Pricing

1 specs
MSRP
$875
$3,326
Keep exploring

More watches worth a look

Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.

Follow this matchup

Get a note when Tissot Seastar 1000 vs Sinn U50 SDR with TEGIMENT option gets more votes, a community discussion, or a price drop. No account needed.

Adjacent matchups

People also compared

Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.