Side by side
Helgray Poseidon Diver (Automatic)vsTissot Seastar 1000 Chronograph
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
The bottom line
The 40mm Poseidon Diver (Automatic) wears 5.5mm narrower than the 45.5mm Seastar 1000 Chronograph — that's a meaningful jump on most wrists.
Check prices & track
Helgray Poseidon Diver (Automatic)
MSRP $249
Tissot Seastar 1000 Chronograph
MSRP $650
At a glance
10 of 29 specs differDiameter
Poseidon Diver (Automatic)40mm
Seastar 1000 Chronograph45.5mm
Power Reserve
Poseidon Diver (Automatic)40h
Seastar 1000 Chronograph40h
Water Resistance
Poseidon Diver (Automatic)300m
Seastar 1000 Chronograph300m
MSRP
Poseidon Diver (Automatic)$249
Seastar 1000 Chronograph$650
Full specifications
Case
4 specsDiameter
40mm
45.5mm
Thickness
12mm
12.82mm
Lug-to-Lug
46mm
45.5mm
Lug Width
20mm
22mm
Crystal & Dial
3 specsAR Coating
Inner
Yes
Indices
Applied
Indexes
Lume
None
Super-LumiNova ®
Movement
2 specsCaliber
NH35 Warranty
—
Type
Automatic
Quartz
Pricing
1 specsMSRP
$249
$650
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