Side by side

Grand Seiko SBGJ237vsTudor Black Bay 58 18K

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

SBGJ237
Grand SeikoSBGJ237
MSRP $7,600
Black Bay 58 18K
TudorBlack Bay 58 18K
MSRP $22,550

At a glance

19 of 29 specs differ
Diameter
SBGJ23744.2mm
Black Bay 58 18K39mm
Power Reserve
SBGJ23755h
Black Bay 58 18K70h
Water Resistance
SBGJ237200m
Black Bay 58 18K200m
MSRP
SBGJ237$7,600
Black Bay 58 18K$22,550

Full specifications

Case

8 specs
Category
GMT
Diver
Diameter
44.2mm
39mm
Thickness
14.4mm
12.7mm
Lug-to-Lug
50.6mm
46mm
Lug Width
21mm
20mm
Material
Stainless Steel
18k Yellow Gold
Finish
Brushed and polished
Satin
Caseback
Solid
Solid screw-down

Crystal & Dial

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

Movement

6 specs
Caliber
9S86
MT5400
Beat Rate
28,800 vph
0 vph
Power Reserve
55h
70h
Jewels
25
0
Hacking
Yes
No
Hand-winding
Yes
No

Pricing

1 specs
MSRP
$7,600
$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 SBGJ237

Grand Seiko SBGJ237 owners and reviewers praise its impeccable finishing, Hi-Beat 36,000vph movement, and functional GMT complication. The watch is noted for its good value at €7,000, featuring a stainless steel bracelet with alternating brushed and polished surfaces, and a sapphire bezel with a day/night indicator. Reviewers highlight the lovely lume and the bezel's vintage-inspired, asymmetric color split, which uses LumiBrite for low-light legibility. The 9S86 Hi-Beat movement offers impressive accuracy of -5 to +3 seconds per day and a 55-hour power reserve. The SBGJ237 boasts 200-meter water resistance. However, the 44.2mm case size, measuring 14.4mm thick, may require slightly larger wrists, and its elevated crystal and less prominent bezel contribute to a thickness that might feel less substantial in person. Overall, owners and reviewers highly regard the Grand Seiko SBGJ237 for its combination of finishing, movement technology, and GMT functionality at its price point.

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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