Side by side

Grand Seiko SBGY011vsTudor Black Bay 58 18K

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

SBGY011
Grand SeikoSBGY011
MSRP $8,800
Black Bay 58 18K
TudorBlack Bay 58 18K
MSRP $22,550

At a glance

21 of 29 specs differ
Diameter
SBGY01140mm
Black Bay 58 18K39mm
Power Reserve
SBGY01172h
Black Bay 58 18K70h
Water Resistance
SBGY011100m
Black Bay 58 18K200m
MSRP
SBGY011$8,800
Black Bay 58 18K$22,550

Full specifications

Case

9 specs
Category
Dress
Diver
Diameter
40mm
39mm
Thickness
10.5mm
12.7mm
Lug-to-Lug
46.2mm
46mm
Lug Width
19mm
20mm
Material
Stainless Steel
18k Yellow Gold
Finish
Brushed and polished
Satin
Water Resistance
100m
200m
Caseback
Solid
Solid screw-down

Crystal & Dial

4 specs
Crystal Shape
Flat
AR Coating
Yes
Dial Color
Black
Green
Indices
Applied

Movement

7 specs
Caliber
9R31
MT5400
Type
Spring Drive
Automatic
Beat Rate
28,800 vph
0 vph
Power Reserve
72h
70h
Jewels
25
0
Hacking
Yes
No
Hand-winding
Yes
No

Pricing

1 specs
MSRP
$8,800
$22,550

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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 SBGY011

Grand Seiko SBGY011 owners praise its stunning, subtly textured white dial, with one owner describing its glide as very smooth and the dial itself as stunning in person. The Spring Drive movement is a key appeal, noted for its accuracy of +/- 1 second per day and a 72-hour power reserve. The 40mm stainless steel 44GS case is also a feature. One reviewer expressed a preference for a bracelet over the included crocodile strap. Overall, owners and reviewers highlight the Grand Seiko SBGY011's exceptional dial aesthetics and Spring Drive accuracy as its primary strengths.

Tudor Black Bay 58 18K

Owners appreciate the substantial feel of the 18K gold Tudor Black Bay 58 on the wrist, with reviewers noting the brushed gold finishing and 39mm case size. The watch is powered by the COSC-certified Manufacture Caliber MT5400 with a 70-hour power reserve, visible through an open caseback. Sources offer differing price points, ranging from $16,800 to $32,100 depending on the strap or bracelet. Some reviewers criticize the brushed finish for diminishing the visual luxury of gold and find the green dial and bezel color combination divisive or lacking charisma. Overall, owners and reviewers find the Tudor Black Bay 58 18K to be an ambitious, albeit divisive, precious metal sports watch, with praise for its substantial feel and brushed gold finishing.

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