Side by side

Seiko Prospex SPEEDTIMERvsTissot PRC 100 Solar

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

Prospex SPEEDTIMER
SeikoProspex SPEEDTIMER
MSRP $725
PRC 100 Solar
TissotPRC 100 Solar
MSRP $575
What people say

Owners + reviewers, side by side

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

Seiko Prospex SPEEDTIMER

Owners widely praise the Seiko Prospex SPEEDTIMER's gorgeous, unique red dial and vintage-inspired design, finding it a sturdy and reliable everyday watch. Some owners, however, question the value proposition at around $700 for a solar quartz model, citing its 13-15mm thickness and the 24-hour subdial as drawbacks. Accuracy figures vary, with one owner reporting +1/+2 seconds per day, while another notes the V192 solar movement offers a six-month power reserve. Overall, owners and reviewers find the Seiko Prospex SPEEDTIMER a capable and versatile chronograph, with its striking dial and everyday wearability being the most frequently cited strengths.

From video reviewers

The Seiko Prospex SPEEDTIMER's solar movement provides reliable power without battery replacements and accurate timekeeping, with a claimed accuracy of ±15 seconds per month. A notable trade-off is the watch's slightly thicker profile and somewhat lacking lume brightness. Reviewers disagree on whether the bezel action is smooth and clicky, with one reviewer praising it and the other not mentioning it.

Tissot PRC 100 Solar

Owners and reviewers highlight the Tissot PRC 100 Solar's value and modern, urban aesthetic, with its slim 9.2mm case and good finishing for the price. The solar movement is a key feature, offering a 14-month power reserve and rapid charging capabilities. Some owners find the dial colors a bit uninspired, and the date window placement is disliked, while the second hand's ticking is noted as a drawback compared to automatic movements. The watch's 39mm case is considered versatile, though some prefer a smaller 35-37mm size. Overall, owners and reviewers consider the Tissot PRC 100 Solar a versatile daily wear, particularly for its solar technology and Swiss-made appeal at its price point.

At a glance

10 of 29 specs differ
Diameter
Prospex SPEEDTIMER39mm
PRC 100 Solar39mm
Power Reserve
Prospex SPEEDTIMER40h
PRC 100 Solar40h
Water Resistance
Prospex SPEEDTIMER100m
PRC 100 Solar100m
MSRP
Prospex SPEEDTIMER$725
PRC 100 Solar$575

Full specifications

Case

3 specs
Category
Chronograph
Sport
Thickness
13.3mm
9.22mm
Lug-to-Lug
45.5mm
39mm

Crystal & Dial

5 specs
Crystal Shape
Curved
Flat
AR Coating
Anti-reflective coating on inner surface
Inner
Dial Color
Black
Silver
Indices
Applied
Indexes
Lume
LumiBrite on hands and index(es)
Super-LumiNova ®

Movement

1 specs
Caliber
V192
11 1/2'''

Pricing

1 specs
MSRP
$725
$575
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