Side by side

Grand Seiko SBGY011vsTudor 1926 Luna

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

SBGY011
Grand SeikoSBGY011
MSRP $8,800
1926 Luna
Tudor1926 Luna
MSRP $3,000

At a glance

19 of 29 specs differ
Diameter
SBGY01140mm
1926 Luna39mm
Power Reserve
SBGY01172h
1926 Luna38h
Water Resistance
SBGY011100m
1926 Luna100m
MSRP
SBGY011$8,800
1926 Luna$3,000

Full specifications

Case

7 specs
Category
Dress
Moonphase
Diameter
40mm
39mm
Thickness
10.5mm
10.1mm
Lug-to-Lug
46.2mm
46mm
Lug Width
19mm
21mm
Finish
Brushed and polished
Polished
Caseback
Solid
Solid screw-down

Crystal & Dial

3 specs
Crystal Shape
Flat
AR Coating
Yes
Dial Color
Black

Movement

8 specs
Caliber
9R31
T607-
Type
Spring Drive
Automatic
Beat Rate
28,800 vph
0 vph
Power Reserve
72h
38h
Jewels
25
0
Hacking
Yes
No
Hand-winding
Yes
No
Complications
None
Moonphase

Pricing

1 specs
MSRP
$8,800
$3,000

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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 1926 Luna

The Tudor 1926 Luna offers a moonphase complication at an approachable price, featuring a 39mm polished steel case and domed sunray dials. It is powered by a chronometer-grade Sellita SW280-1 movement with a 41-hour power reserve. Some reviewers note that the dressier aesthetic of the 1926 line may not align with Tudor's overall brand identity, and the bracelet lacks micro-adjustments. Overall, owners and reviewers find the Tudor 1926 Luna a good value for its romantic moonphase complication and polished finishing.

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