Side by side

Grand Seiko SBGA481vsTudor Black Bay One 31

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

SBGA481
Grand SeikoSBGA481
MSRP $11,100
Black Bay One 31
TudorBlack Bay One 31
MSRP $4,600

At a glance

14 of 29 specs differ
Diameter
SBGA48144.5mm
Black Bay One 3131mm
Power Reserve
SBGA48172h
Black Bay One 3150h
Water Resistance
SBGA481200m
Black Bay One 31100m
MSRP
SBGA481$11,100
Black Bay One 31$4,600

Full specifications

Case

8 specs
Diameter
44.5mm
31mm
Thickness
14.3mm
9.5mm
Lug-to-Lug
50mm
46mm
Lug Width
23mm
17mm
Material
Titanium
Stainless Steel
Finish
Brushed and polished
Polished + Satin
Water Resistance
200m
100m
Caseback
Solid
Solid screw-down

Crystal & Dial

2 specs
AR Coating
Yes
Inner
Dial Color
Black
Anthracite

Movement

3 specs
Caliber
9R65
MT5201
Type
Spring Drive
Automatic
Power Reserve
72h
50h

Pricing

1 specs
MSRP
$11,100
$4,600

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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 SBGA481

Grand Seiko SBGA481 owners praise its light titanium case and sharp finishing, with one owner reporting it runs perfectly. Reviewers describe the SBGA481 as an unapologetically Grand Seiko creation with a unique hour hand and a "geeky, techy vibe" that some find daring. On balance, the consensus is that the Grand Seiko SBGA481 is a fun and daring watch that showcases the brand's distinctive design language.

Tudor Black Bay One 31

Owners widely report the Tudor Black Bay One 31's polished case and bracelet scratch easily, though its wearability under gloves and robust movement are praised. Some desire more micro-adjustment options on the clasp, and a lack of contrast between the silver dial and hands is noted. The 31mm size may be a consideration for daily wear due to its 50-hour power reserve. On balance, owners and reviewers appreciate the Tudor Black Bay One 31 for its comfortable wearability and robust movement, despite concerns about case scratching and clasp adjustability.

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