Side by side
Lum-Tec B68 Day DatevsGrand Seiko SBGV239
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
12 of 29 specs differDiameter
B68 Day Date44mm
SBGV23940mm
Power Reserve
B68 Day Date40h
SBGV23940h
Water Resistance
B68 Day Date200m
SBGV239100m
MSRP
B68 Day Date$595
SBGV239$3,100
Full specifications
Case
7 specsCategory
Sport
Dress
Diameter
44mm
40mm
Thickness
—
10.4mm
Lug-to-Lug
51.5mm
46.2mm
Lug Width
22mm
19mm
Material
316L Stainless Steel (DLC coated)
Stainless Steel
Water Resistance
200m
100m
Crystal & Dial
3 specsCrystal
Domed Sapphire
Sapphire
AR Coating
Inner
Yes
Dial Color
B68 Day Date
Black
Movement
1 specsCaliber
Ronda 515
9F82
Pricing
1 specsMSRP
$595
$3,100
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