Side by side

Grand Seiko SLGA009vsTudor 1926 Luna

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

SLGA009
Grand SeikoSLGA009
MSRP $9,800
1926 Luna
Tudor1926 Luna
MSRP $3,000

At a glance

19 of 29 specs differ
Diameter
SLGA00940mm
1926 Luna39mm
Power Reserve
SLGA009120h
1926 Luna38h
Water Resistance
SLGA009100m
1926 Luna100m
MSRP
SLGA009$9,800
1926 Luna$3,000

Full specifications

Case

7 specs
Category
Dress
Moonphase
Diameter
40mm
39mm
Thickness
11.8mm
10.1mm
Lug-to-Lug
47.9mm
46mm
Lug Width
22mm
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
9RA2
T607-
Type
Spring Drive
Automatic
Beat Rate
28,800 vph
0 vph
Power Reserve
120h
38h
Jewels
25
0
Hacking
Yes
No
Hand-winding
Yes
No
Complications
None
Moonphase

Pricing

1 specs
MSRP
$9,800
$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 SLGA009

The Grand Seiko SLGA009 "White Birch II" is praised for its Spring Drive Caliber 9RA2 movement, offering exceptional accuracy of ±0.5 seconds per day and a 120-hour power reserve. Reviewers highlight its refined dial texture, inspired by Shinshu forests, and the Series 9 design with a frost-finished movement. The watch features a 40mm stainless steel case and a power reserve indicator on the movement bridge. However, its price of $8,600 to $9,100 USD is noted as relatively expensive, reflecting Grand Seiko's increasing price points. Overall, reviewers consider the Grand Seiko SLGA009 a highly refined timepiece, with its advanced Spring Drive movement and aesthetic improvements being key 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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