Side by side

Seiko AstronvsTissot PR 100 Tour de France

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

Astron
SeikoAstron
MSRP $3,100
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

Owners widely praise the Seiko Astron for its spectacular technology, self-sufficiency, and grab-and-go convenience, with one owner calling it the best watch they have ever had. Reviewers and owners highlight the detailed and well-managed dials, often with "Grand Seiko-esque" precision, and appreciate the comfortable, lightweight titanium construction. The solar-powered quartz movement with GPS time sync is a significant draw, offering accurate timekeeping. However, the price point of around €2250-€2400 is frequently cited as high for a quartz watch. Some owners note manual DST implementation, dependence on outdoor conditions or radio tower proximity for GPS sync, and sparse lume. One owner experienced the minute hand sitting slightly off and found the recessed buttons difficult to operate. Accuracy figures vary, with some reporting +/- 15 seconds per month without GPS, while others note autonomous quartz movement accuracy of up to 1/2 second per day.

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
Astron44.1mm
PR 100 Tour de France40mm
Power Reserve
Astron40h
PR 100 Tour de France40h
Water Resistance
Astron100m
PR 100 Tour de France100m
MSRP
Astron$3,100
PR 100 Tour de France$515

Full specifications

Case

5 specs
Diameter
44.1mm
40mm
Thickness
14.4mm
11.26mm
Lug-to-Lug
50mm
40mm
Lug Width
14mm
20mm
Material
Titanium
Stainless Steel

Crystal & Dial

4 specs
Crystal Shape
Curved
Flat
AR Coating
Super-clear coating
Inner
Indices
Applied
Indexes
Lume
LumiBrite on hands and index(es)
Super-LumiNova ®

Movement

2 specs
Caliber
5X83
13 1/4'''
Jewels
14
25

Pricing

1 specs
MSRP
$3,100
$515
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.

Follow this matchup

Get a note when Seiko Astron vs Tissot PR 100 Tour de France gets more votes, a community discussion, or a price drop. No account needed.

Adjacent matchups

People also compared

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