Side by side

Citizen Promaster Professional DivervsGrand Seiko SBGP009

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

Promaster Professional Diver
CitizenPromaster Professional Diver
MSRP $296
SBGP009
Grand SeikoSBGP009
MSRP $3,100
What people say

Owners + reviewers, side by side

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

Citizen Promaster Professional Diver

The Citizen Promaster Professional Diver is noted for its robust, edgy design with industrial fonts and scratch-resistant Duratect MRK and DLC coatings. Reviewers highlight its intuitive and satisfying bezel locking mechanism and the substantial 4mm anti-reflective sapphire crystal. This dive watch utilizes an Eco-Drive E365 quartz movement, offering a 365-day power reserve and an end-of-life indicator, and is recognized as the first ISO 6425 compliant watch with a solar-powered movement. However, its massive 52.5mm diameter and 22mm thickness make it unsuitable for everyday wear. On balance, the Citizen Promaster Professional Diver is recognized for its specialized, robust build and innovative solar-powered movement, though its size limits its wearability.

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.

At a glance

10 of 29 specs differ
Diameter
Promaster Professional Diver44mm
SBGP00940mm
Power Reserve
Promaster Professional Diver40h
SBGP00940h
Water Resistance
Promaster Professional Diver200m
SBGP009100m
MSRP
Promaster Professional Diver$296
SBGP009$3,100

Full specifications

Case

5 specs
Category
Diver
Dress
Diameter
44mm
40mm
Thickness
12mm
10.6mm
Lug-to-Lug
46mm
47mm
Water Resistance
200m
100m

Crystal & Dial

2 specs
Crystal
Mineral
Sapphire
AR Coating
Underside
Yes

Movement

2 specs
Caliber
E168
9F85
Type
Solar
Quartz

Pricing

1 specs
MSRP
$296
$3,100
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