Side by side

Grand Seiko SBGP009vsSeiko Prospex Rotocall

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

SBGP009
Grand SeikoSBGP009
MSRP $3,100
Prospex Rotocall
SeikoProspex Rotocall
MSRP $550

At a glance

7 of 29 specs differ
Diameter
SBGP00940mm
Prospex Rotocall37mm
Power Reserve
SBGP00940h
Prospex Rotocall40h
Water Resistance
SBGP009100m
Prospex Rotocall100m
MSRP
SBGP009$3,100
Prospex Rotocall$550

Full specifications

Case

3 specs
Category
Dress
Sport
Diameter
40mm
37mm
Lug-to-Lug
47mm
43.5mm

Crystal & Dial

2 specs
Crystal
Sapphire
Hardlex
AR Coating
Yes
Inner

Movement

1 specs
Caliber
9F85
A824

Pricing

1 specs
MSRP
$3,100
$550

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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 SBGP009

Grand Seiko SBGP009 owners note its "normal quartz" movement, and one owner criticizes the bracelet for lacking a taper. One owner cites a 40-year-old Seiko quartz watch that has only required battery changes as evidence of the reliability of Grand Seiko's quartz movements. On balance, owners value the Grand Seiko SBGP009 for its perceived long-term reliability.

Seiko Prospex Rotocall

Owners widely praise the Seiko Prospex Rotocall for its charismatic retro design and comfortable 37mm size, with many appreciating its space-faring heritage. However, multiple sources criticize its price point, suggesting it is too high for an all-digital quartz watch with features like a stamped clasp, mineral crystal, and standard quartz movement. Some owners also note drawbacks such as a flimsy battery mount and split pin bracelet construction. On balance, owners and reviewers find the Seiko Prospex Rotocall visually appealing and a faithful re-release, but its value proposition is frequently questioned due to its price.

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