Side by side

Grand Seiko SBGX261vsSeiko Prospex SPEEDTIMER

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

SBGX261
Grand SeikoSBGX261
MSRP $2,700
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 SBGX261

Owners widely praise the Grand Seiko SBGX261 for its exceptional finishing, rivaling mechanical watches, and the high-precision, hand-assembled 9F quartz movement, noted for its accuracy within 10 seconds per year. The 37mm case size and versatile design are frequently highlighted as key strengths, making it a comfortable and stylish everyday watch. However, the bracelet's lack of micro-adjustments and taper is a recurring criticism, and one owner notes the second hand's inconsistent alignment with markers. On balance, owners rate the Grand Seiko SBGX261 highly for its superb finishing and the technical prowess of its 9F quartz movement at its price point.

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
SBGX26137mm
Prospex SPEEDTIMER39mm
Power Reserve
SBGX26140h
Prospex SPEEDTIMER40h
Water Resistance
SBGX261100m
Prospex SPEEDTIMER100m
MSRP
SBGX261$2,700
Prospex SPEEDTIMER$725

Full specifications

Case

5 specs
Category
Dress
Chronograph
Diameter
37mm
39mm
Thickness
10mm
13.3mm
Lug-to-Lug
44.6mm
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
9F62
V192

Pricing

1 specs
MSRP
$2,700
$725
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