Seiko Prospex SPEEDTIMERvsSwatch MoonSwatch Mission to Jupiter
lug2lug doesn't sell watches. Buy links open the brand's or seller's own site. Some links are affiliate links: lug2lug may earn a commission at no extra cost to you. Disclosures
Measurements
Catalog photos are all shot at the same flattering size. These aren't: every case below shares one millimeter scale.
Prospex SPEEDTIMER
MoonSwatch Mission to Jupiter
Diameter
39mm
42mm
Lug-to-Lug
45.5mm
lowest
47.3mm
Thickness
13.3mm
13.3mm
lowest
Water Resistance
100m
highest
30m
MSRP
$725
$285
lowest
Movement
Seiko V192
Quartz
Case
6 specsCrystal & Dial
5 specsMovement
1 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
Owners widely praise the Seiko Prospex SPEEDTIMER for its vintage-inspired design and versatility as an everyday watch. Some owners find the 39mm case size comfortable and well-suited for active use. Reviewers note the solar-powered V192 movement offers a six-month power reserve. Criticisms include the watch's thickness, which some find to be between 13-15mm, and the 24-hour subdial. The price point is a recurring point of contention, with some owners questioning the value for a solar quartz chronograph. On balance, owners and reviewers find the Seiko Prospex SPEEDTIMER a capable and attractive watch, with its design being the most frequently cited positive attribute.
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.
Owners are divided on the Swatch MoonSwatch Mission to Jupiter, with some finding it a good value at its $250 retail price and others perceiving it as cheap-feeling, even compared to other Swatch models. One owner specifically noted the lack of lume for nighttime legibility. On balance, the community's reception is mixed, with the primary points of contention being the perceived build quality and strap comfort.
Similar watches
Matched to the watches above on size, movement, style and price, microbrands first. Open any one to dig in.
Also compared
Comparisons nearby in the catalog: alternatives to the watches above paired against the matchup.