Side by side

Grand Seiko SBGV239vsSeiko Prospex SPEEDTIMER

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

SBGV239
Grand SeikoSBGV239
MSRP $3,100
Prospex SPEEDTIMER
SeikoProspex SPEEDTIMER
MSRP $725
What people say

Owners + reviewers, side by side

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

Grand Seiko SBGV239

The Grand Seiko SBGV239 is widely praised for its superb timekeeping from the 9F Quartz movement and its excellent finishing, which exceeds expectations. Owners highlight the dial's ability to pop even in poor lighting and its deep blue color that can appear black. The watch's 40mm diameter is also frequently cited as a positive attribute for wearability. Overall, owners rate the Grand Seiko SBGV239 highly for its exceptional finishing and the precise timekeeping of its 9F Quartz movement.

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.

At a glance

10 of 29 specs differ
Diameter
SBGV23940mm
Prospex SPEEDTIMER39mm
Power Reserve
SBGV23940h
Prospex SPEEDTIMER40h
Water Resistance
SBGV239100m
Prospex SPEEDTIMER100m
MSRP
SBGV239$3,100
Prospex SPEEDTIMER$725

Full specifications

Case

5 specs
Category
Dress
Chronograph
Diameter
40mm
39mm
Thickness
10.4mm
13.3mm
Lug-to-Lug
46.2mm
45.5mm
Lug Width
19mm
20mm

Crystal & Dial

3 specs
Crystal Shape
Flat
Curved
AR Coating
Yes
Anti-reflective coating on inner surface
Lume
None
LumiBrite on hands and index(es)

Movement

1 specs
Caliber
9F82
V192

Pricing

1 specs
MSRP
$3,100
$725
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