Side by side

Seiko Astron GPS Solar 2025 Limited EditionvsTissot PR 100 Tour de France

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

Astron GPS Solar 2025 Limited Edition
SeikoAstron GPS Solar 2025 Limited Edition
MSRP $2,600
PR 100 Tour de France
TissotPR 100 Tour de France
MSRP $515
What people say

Owners + reviewers, side by side

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Seiko Astron GPS Solar 2025 Limited Edition

The Seiko Astron GPS Solar 2025 Limited Edition is widely praised for its advanced GPS time and date adjustment capabilities, powered by light to eliminate battery changes. Owners and reviewers highlight its impressive accuracy and the convenience of automatic time zone updates, with some specifically commending the wearability of the 39mm size and its clean, simple design. However, reception of the GPS signal requires an unobstructed view of the sky, and manual time zone adjustments are necessary for Daylight Saving Time on some variants. One owner notes a slight imperfection in chapter ring alignment on the 39mm model. On balance, owners and reviewers rate the Seiko Astron GPS Solar 2025 Limited Edition highly for its satellite-powered timekeeping and improved wearability in the 39mm configuration.

Tissot PR 100 Tour de France

Owners widely praise the Tissot PR 100 Tour de France for its sleek design, precise quartz movement, and durable build, with some appreciating the yellow accents and unique strap details. However, the bicycle on the seconds hand is frequently described as gimmicky, and some find the watch expensive for a quartz model. One owner reported a bracelet disintegration and intermittent stopping issues. Overall, owners rate the Tissot PR 100 Tour de France as a fun, stylish watch, with its unique design elements being a key draw despite some reservations about its value and specific components.

At a glance

12 of 29 specs differ
Diameter
Astron GPS Solar 2025 Limited Edition42mm
PR 100 Tour de France40mm
Power Reserve
Astron GPS Solar 2025 Limited Edition40h
PR 100 Tour de France40h
Water Resistance
Astron GPS Solar 2025 Limited Edition100m
PR 100 Tour de France100m
MSRP
Astron GPS Solar 2025 Limited Edition$2,600
PR 100 Tour de France$515

Full specifications

Case

6 specs
Category
GMT
Chronograph
Diameter
42mm
40mm
Thickness
12mm
11.26mm
Lug-to-Lug
47.9mm
40mm
Lug Width
14mm
20mm
Material
Titanium
Stainless Steel

Crystal & Dial

3 specs
AR Coating
Super-clear coating
Inner
Indices
Applied
Indexes
Lume
LumiBrite on hands and index(es)
Super-LumiNova ®

Movement

2 specs
Caliber
3X62
13 1/4'''
Jewels
10
25

Pricing

1 specs
MSRP
$2,600
$515
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