Side by side
Spinnaker Tesei Forged CarbonvsSeiko Astron GPS Solar 2025 Limited Edition
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
15 of 29 specs differDiameter
Tesei Forged Carbon43mm
Astron GPS Solar 2025 Limited Edition43.4mm
Power Reserve
Tesei Forged Carbon40h
Astron GPS Solar 2025 Limited Edition40h
Water Resistance
Tesei Forged Carbon300m
Astron GPS Solar 2025 Limited Edition100m
MSRP
Tesei Forged Carbon$550
Astron GPS Solar 2025 Limited Edition$2,900
Full specifications
Case
7 specsCategory
Diver
Chronograph
Diameter
43mm
43.4mm
Thickness
16mm
13.4mm
Lug-to-Lug
52mm
49.5mm
Lug Width
22mm
14mm
Material
316L Stainless Steel
Titanium
Water Resistance
300m
100m
Crystal & Dial
4 specsCrystal Shape
Flat
Curved
AR Coating
Inner
Super-clear coating
Dial Color
White
Black
Lume
None
LumiBrite on hands and index(es)
Movement
3 specsCaliber
SII NH35A
5X83
Type
Automatic
Quartz
Jewels
25
14
Pricing
1 specsMSRP
$550
$2,900
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