Side by side

Grand Seiko SLGW007vsTudor Black Bay 58 18K

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

SLGW007
Grand SeikoSLGW007
MSRP $10,000
Black Bay 58 18K
TudorBlack Bay 58 18K
MSRP $22,550

At a glance

20 of 29 specs differ
Diameter
SLGW00738.6mm
Black Bay 58 18K39mm
Power Reserve
SLGW00780h
Black Bay 58 18K70h
Water Resistance
SLGW00730m
Black Bay 58 18K200m
MSRP
SLGW007$10,000
Black Bay 58 18K$22,550

Full specifications

Case

8 specs
Category
Dress
Diver
Diameter
38.6mm
39mm
Thickness
9.95mm
12.7mm
Lug-to-Lug
45mm
46mm
Material
Stainless Steel
18k Yellow Gold
Finish
Brushed and polished
Satin
Water Resistance
30m
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
9SA4
MT5400
Type
Manual
Automatic
Beat Rate
28,800 vph
0 vph
Power Reserve
80h
70h
Jewels
25
0
Hacking
Yes
No
Hand-winding
Yes
No

Pricing

1 specs
MSRP
$10,000
$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 SLGW007

Grand Seiko SLGW007 owners and reviewers praise its compact 38.6mm x 9.95mm Evolution 9 case and the textured "Moonlit Birch" dial, described as moody, elegant, and captivating. The technically credible 9SA4 hand-wound movement with an 80-hour power reserve is also highlighted. Its 30m water resistance and lack of lume are noted as appropriate for a dress watch. Overall, owners and reviewers rate the Grand Seiko SLGW007 highly for its refined case, captivating dial, and updated movement.

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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