Seiko Prospex SpeedtimervsTSAO Baltimore Constellation Chrono-Diver - Reverse Panda

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.

Seiko Prospex Speedtimer at true scale

Prospex Speedtimer

TSAO Baltimore Constellation Chrono-Diver - Reverse Panda at true scale

Constellation Chrono-Diver - Reverse Panda

Diameter

39mm

41mm

Lug-to-Lug

45.5mm

n/a

Thickness

13.3mm

n/a

Water Resistance

100m

200m

highest

MSRP

$725

$450

lowest

Movement

Seiko V192

Seiko VK64

Case

4 specs
Diameter
39mm
41mm
Thickness
13.3mm
n/a
Lug-to-Lug
45.5mm
n/a
Water Resistance
100m
200m

Crystal & Dial

4 specs
Crystal Shape
Curved
n/a
AR Coating
Anti-reflective coating on inner surface
n/a
Dial Color
n/a
n/a
Lume
LumiBrite on hands and index(es)
None

Movement

2 specs
Caliber
Seiko V192
Seiko VK64
Type
Quartz
Meca-Quartz

Pricing

1 specs
MSRP
$725
$450
Keep your wishlist and collection together in the appExplore the app

Reviews

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 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.

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.

TSAO Baltimore Constellation Chrono-Diver - Reverse Panda

Owners praise the TSAO Baltimore Constellation Chrono-Diver - Reverse Panda for its clean reverse panda dial and distinct tonneau-shaped case. The Seiko meca-quartz movement is noted for precise chronograph hand alignment. It features a sapphire crystal and 200m water resistance. Overall, owners rate the TSAO Baltimore Constellation Chrono-Diver - Reverse Panda highly for its attractive dial and case design at its price point.

Similar watches

Matched to the watches above on size, movement, style and price, microbrands first. Open any one to dig in.

DiscussionNot started

Also compared

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