Side by side
Knut Gadd HEXAGONvsSeiko Astron
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
13 of 29 specs differDiameter
HEXAGON28mm
Astron42mm
Power Reserve
HEXAGON40h
Astron40h
Water Resistance
HEXAGON50m
Astron100m
MSRP
HEXAGON$219
Astron$2,500
Full specifications
Case
7 specsCategory
—
GMT
Diameter
28mm
42mm
Thickness
7mm
12.4mm
Lug-to-Lug
46mm
49.5mm
Lug Width
20mm
14mm
Material
Stainless Steel
Titanium
Water Resistance
50m
100m
Crystal & Dial
3 specsAR Coating
Inner
Super-clear coating
Dial Color
White (mother-of-pearl)
Black
Lume
None
LumiBrite on hands and index(es)
Movement
2 specsCaliber
—
5X83
Jewels
25
14
Pricing
1 specsMSRP
$219
$2,500
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 Knut Gadd HEXAGON vs Seiko Astron gets more votes, a community discussion, or a price drop. No account needed.
People also compared
Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.













