Grand Seiko SBGP015vsUnimatic Modello Quattro UT4-B

Add a watch
SBGP015
Grand SeikoSBGP015

MSRP $3,800

See the full watch
Buy from Grand Seiko Used on eBay
Modello Quattro UT4-B
UnimaticModello Quattro UT4-B

Ref. uwk-ut4-b·MSRP $570

See the full watch
Buy from Unimatic Used on eBay

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.

Grand Seiko SBGP015 at true scale

SBGP015

Unimatic Modello Quattro UT4-B at true scale

Modello Quattro UT4-B

Diameter

40mm

40mm

Lug-to-Lug

47.1mm

n/a

Thickness

12.4mm

12.1mm

lowest

Water Resistance

200m

300m

highest

MSRP

$3,800

$570

lowest

Movement

Grand Seiko 9F85

Seiko VH31

Case

4 specs
Thickness
12.4mm
12.05mm
Lug-to-Lug
47.1mm
n/a
Lug Width
20mm
22mm
Water Resistance
200m
300m

Crystal & Dial

2 specs
AR Coating
Yes
n/a
Dial Color
n/a
n/a

Movement

1 specs
Caliber
Grand Seiko 9F85
Seiko VH31

Pricing

1 specs
MSRP
$3,800
$570
Keep your wishlist and collection together in the appExplore the app
Get the appGet the app

Similar watches

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

All alternatives to the SBGP015 →All alternatives to the Modello Quattro UT4-B →
Explore the full catalog
DiscussionNot started

Also compared

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

Charlie Paris Watches Concordia - Quartz Diver (38mm)vsGrand Seiko SBGP015Grand Seiko SBGP015vsUnimatic Modello Quattro UT4 Toolwatch Time Only (40mm)Grand Seiko SBGP015vsUnimatic Modello Quattro UT4-AAGrand Seiko SBGP015vsUnimatic Modello Quattro UT4-AA3
Edit this comparisonMore diver comparisonsBest Diver Watches Under $1,000Explore more 39-41mm watches