Side by side

Helgray Poseidon Diver (Automatic)vsTissot Seastar 1000 Powermatic 80 GMT

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

Poseidon Diver (Automatic)
HelgrayPoseidon Diver (Automatic)
MSRP $249
Seastar 1000 Powermatic 80 GMT
TissotSeastar 1000 Powermatic 80 GMT
MSRP $1,375

At a glance

11 of 29 specs differ
Diameter
Poseidon Diver (Automatic)40mm
Seastar 1000 Powermatic 80 GMT46mm
Power Reserve
Poseidon Diver (Automatic)40h
Seastar 1000 Powermatic 80 GMT80h
Water Resistance
Poseidon Diver (Automatic)300m
Seastar 1000 Powermatic 80 GMT300m
MSRP
Poseidon Diver (Automatic)$249
Seastar 1000 Powermatic 80 GMT$1,375

Full specifications

Case

4 specs
Category
Diver
GMT
Diameter
40mm
46mm
Thickness
12mm
15.4mm
Lug Width
20mm
22mm

Crystal & Dial

4 specs
Crystal Shape
Flat
Domed
AR Coating
Inner
Yes
Indices
Applied
Indexes
Lume
None
Super-LumiNova ®

Movement

2 specs
Caliber
NH35 Warranty
Powermatic 80
Power Reserve
40h
80h

Pricing

1 specs
MSRP
$249
$1,375

Follow this matchup

Get a note when Helgray Poseidon Diver (Automatic) vs Tissot Seastar 1000 Powermatic 80 GMT gets more votes, a community discussion, or a price drop. No account needed.

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.

Adjacent matchups

People also compared

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