Side by side
Spinnaker Tesei Forged CarbonvsSeiko Astron GPS Solar 2026 Limited Edition
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
14 of 29 specs differDiameter
Tesei Forged Carbon43mm
Astron GPS Solar 2026 Limited Edition41.2mm
Power Reserve
Tesei Forged Carbon40h
Astron GPS Solar 2026 Limited Edition40h
Water Resistance
Tesei Forged Carbon300m
Astron GPS Solar 2026 Limited Edition100m
MSRP
Tesei Forged Carbon$550
Astron GPS Solar 2026 Limited Edition$2,400
Full specifications
Case
7 specsCategory
Diver
GMT
Diameter
43mm
41.2mm
Thickness
16mm
12mm
Lug-to-Lug
52mm
48.6mm
Lug Width
22mm
14mm
Material
316L Stainless Steel
Titanium
Water Resistance
300m
100m
Crystal & Dial
3 specsAR Coating
Inner
Super-clear coating
Dial Color
White
Black
Lume
None
LumiBrite on hands and index(es)
Movement
3 specsCaliber
SII NH35A
3X62
Type
Automatic
Quartz
Jewels
25
10
Pricing
1 specsMSRP
$550
$2,400
Follow this matchup
Get a note when Spinnaker Tesei Forged Carbon vs Seiko Astron GPS Solar 2026 Limited Edition gets more votes, a community discussion, or a price drop. No account needed.
More watches worth a look
Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.
People also compared
Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.
Spinnaker Hull DivervsSeiko Astron GPS Solar 2026 Limited EditionSpinnaker Hass AutomaticvsSeiko Astron GPS Solar 2026 Limited EditionSpinnaker Dumas AutomaticvsSeiko Astron GPS Solar 2026 Limited EditionMarathon Arctic OSAR 41mm AutomaticvsSeiko Astron GPS Solar 2026 Limited EditionMarathon Steel Navigator SSNAV-D QuartzvsSpinnaker Tesei Forged CarbonMarathon Steel Navigator SSNAV QuartzvsSpinnaker Tesei Forged Carbon