Side by side

Seiko Prospex SPEEDTIMERvsSternglas Tachymeter 2.0

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

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.

Sternglas Tachymeter 2.0

The Sternglas Tachymeter 2.0 is widely praised for its upscale feel and value, featuring a Seiko TMI VK63 meca-quartz movement and a refined case with polished and matte surfaces. Reviewers note improvements over the predecessor, including better lume and the addition of Arabic numerals, while the dial offers more color and distinct sub-dials. One owner points out that the "orange" accent is actually yellow and suggests the tachymeter scale could be more functional. Overall, owners and reviewers rate the Sternglas Tachymeter 2.0 highly for its balanced design and strong value proposition as a quartz chronograph.

At a glance

11 of 29 specs differ
Diameter
Prospex SPEEDTIMER39mm
Tachymeter 2.044mm
Power Reserve
Prospex SPEEDTIMER
Tachymeter 2.0
Water Resistance
Prospex SPEEDTIMER100m
Tachymeter 2.0100m
MSRP
Prospex SPEEDTIMER$725
Tachymeter 2.0$420

Full specifications

Case

3 specs
Diameter
39mm
44mm
Thickness
13.3mm
11mm
Lug-to-Lug
45.5mm
50mm

Crystal & Dial

4 specs
Crystal Shape
Curved
AR Coating
Anti-reflective coating on inner surface
Dial Color
Lume
LumiBrite on hands and index(es)
Luminova und applizierten Indizes

Movement

3 specs
Caliber
Seiko V192
Seiko VK63
Power Reserve
0h
Jewels
0

Pricing

1 specs
MSRP
$725
$420
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