Side by side

Grand Seiko SLGA009vsMassena LAB Uni-Racer

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

SLGA009
Grand SeikoSLGA009
MSRP $9,800
Uni-Racer
Massena LABUni-Racer
MSRP $3,495

At a glance

15 of 29 specs differ
Diameter
SLGA00940mm
Uni-Racer39mm
Power Reserve
SLGA009120h
Uni-Racer58h
Water Resistance
SLGA009100m
Uni-Racer50m
MSRP
SLGA009$9,800
Uni-Racer$3,495

Full specifications

Case

6 specs
Category
Dress
Chronograph
Diameter
40mm
39mm
Thickness
11.8mm
9mm
Lug-to-Lug
47.9mm
46mm
Lug Width
22mm
20mm
Water Resistance
100m
50m

Crystal & Dial

4 specs
Crystal
Sapphire
Acrylic
Crystal Shape
Flat
Domed
AR Coating
Yes
No
Dial Color
Black
White

Movement

4 specs
Caliber
9RA2
SW510 BH M Elaboré
Type
Spring Drive
Manual
Power Reserve
120h
58h
Jewels
25
23

Pricing

1 specs
MSRP
$9,800
$3,495

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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.

Massena LAB Uni-Racer

The Massena LAB Uni-Racer is praised for its refined vintage chronograph aesthetic, featuring a 39mm case with unique horizontal finishing, a GPHG-nominated hand-wound Sellita SW510 M movement, and a sector dial with a "big eye" counter. Owners and reviewers highlight its period-perfect Super-LumiNova and snailing on recessed registers, all supported by a 58-hour power reserve and 50m water resistance. On balance, owners and reviewers rate the Massena LAB Uni-Racer highly for its authentic vintage design and refined execution at its price point.

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