Side by side

Seagull Extraordinary Series Polygonal Bezel WatchvsZelos Helica Moonphase

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

Add a watch

Some links are affiliate links — lug2lug may earn a commission at no extra cost to you. Disclosures

At a glance

10 of 29 specs differ
Diameter
Extraordinary Series Polygonal Bezel Watch40mm
Helica Moonphase39mm
Power Reserve
Extraordinary Series Polygonal Bezel Watch
Helica Moonphase
Water Resistance
Extraordinary Series Polygonal Bezel Watch50m
Helica Moonphase100m
MSRP
Extraordinary Series Polygonal Bezel Watch$689
Helica Moonphase$1,049

Full specifications

Case

7 specs
Category
Moonphase
Diameter
40mm
39mm
Thickness
11mm
10mm
Lug-to-Lug
46mm
39mm
Lug Width
11mm
20mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
50m
100m

Crystal & Dial

1 specs
Dial Color
Meteorite

Movement

1 specs
Caliber
ST18
Sellita SW288-1

Pricing

1 specs
MSRP
$689
$1,049
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.

DiscussionNot started
Adjacent matchups

People also compared

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