Side by side

Lum-Tec B73vsMaen Grand Tonneau Ultra Thin

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

B73
Lum-TecB73
MSRP $463
Grand Tonneau Ultra Thin
MaenGrand Tonneau Ultra Thin
MSRP $1,519

At a glance

12 of 29 specs differ
Diameter
B7344mm
Grand Tonneau Ultra Thin34mm
Power Reserve
B7340h
Grand Tonneau Ultra Thin40h
Water Resistance
B73200m
Grand Tonneau Ultra Thin50m
MSRP
B73$463
Grand Tonneau Ultra Thin$1,519

Full specifications

Case

7 specs
Category
Sport
Dress
Diameter
44mm
34mm
Thickness
—
6.4mm
Lug-to-Lug
51.5mm
—
Lug Width
22mm
—
Material
316L Stainless Steel (DLC coated)
316L Stainless Steel
Water Resistance
200m
50m

Crystal & Dial

2 specs
Crystal
Domed Sapphire
Sapphire
Dial Color
B73
MNL.04

Movement

2 specs
Caliber
Ronda 515
—
Type
Quartz
Automatic

Pricing

1 specs
MSRP
$463
$1,519

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