Side by side

Tissot Seastar 1000vsTudor Black Bay One 31

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

Seastar 1000
TissotSeastar 1000
MSRP $875
Black Bay One 31
TudorBlack Bay One 31
MSRP $4,600

At a glance

14 of 29 specs differ
Diameter
Seastar 100040mm
Black Bay One 3131mm
Power Reserve
Seastar 100080h
Black Bay One 3150h
Water Resistance
Seastar 1000300m
Black Bay One 31100m
MSRP
Seastar 1000$875
Black Bay One 31$4,600

Full specifications

Case

7 specs
Diameter
40mm
31mm
Thickness
12.48mm
9.5mm
Lug-to-Lug
40mm
46mm
Lug Width
20mm
17mm
Finish
Brushed and polished
Polished + Satin
Water Resistance
300m
100m
Caseback
Solid
Solid screw-down

Crystal & Dial

4 specs
AR Coating
Yes
Inner
Dial Color
Graded grey-black
Anthracite
Indices
Indexes
Applied
Lume
Super-LumiNova ®
None

Movement

2 specs
Caliber
Powermatic 80
MT5201
Power Reserve
80h
50h

Pricing

1 specs
MSRP
$875
$4,600

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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

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.

Tudor Black Bay One 31

Owners widely report the Tudor Black Bay One 31's polished case and bracelet scratch easily, though its wearability under gloves and robust movement are praised. Some desire more micro-adjustment options on the clasp, and a lack of contrast between the silver dial and hands is noted. The 31mm size may be a consideration for daily wear due to its 50-hour power reserve. On balance, owners and reviewers appreciate the Tudor Black Bay One 31 for its comfortable wearability and robust movement, despite concerns about case scratching and clasp adjustability.

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