Tuseno FIRSTvsMassena LAB Uni-Racer
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Measurements
Catalog photos are all shot at the same flattering size. These aren't: every case below shares one millimeter scale.

FIRST

Uni-Racer
Diameter
38mm
39mm
Lug-to-Lug
45.3mm
n/a
Thickness
11.3mm
9mm
lowest
Water Resistance
50m
50m
Power Reserve
n/a
58h
MSRP
$449
lowest
$3,495
Movement
Seiko VK64
Sellita SW510
Case
5 specsDiameter
38mm
39mm
Thickness
11.3mm
9mm
Lug-to-Lug
45.3mm
n/a
Lug Width
20mm
n/a
Material
Silver, Rose gold, Gold
Stainless Steel
Crystal & Dial
4 specsCrystal
Sapphire
Acrylic
Crystal Shape
n/a
Domed
AR Coating
n/a
No
Dial Color
n/a
White
Movement
4 specsCaliber
Seiko VK64
Sellita SW510
Type
Meca-Quartz
Manual
Power Reserve
0h
58h
Jewels
0
23
Pricing
1 specsMSRP
$449
$3,495
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