Side by side

Lum-Tec B68 Day DatevsGrand Seiko SBGD228

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

B68 Day Date
Lum-TecB68 Day Date
MSRP $595
SBGD228
Grand SeikoSBGD228
MSRP $273,000

At a glance

14 of 29 specs differ
Diameter
B68 Day Date44mm
SBGD22844.5mm
Power Reserve
B68 Day Date40h
SBGD228192h
Water Resistance
B68 Day Date200m
SBGD228100m
MSRP
B68 Day Date$595
SBGD228$273,000

Full specifications

Case

7 specs
Category
Sport
Chronograph
Diameter
44mm
44.5mm
Thickness
—
14.4mm
Lug-to-Lug
51.5mm
52mm
Lug Width
22mm
23mm
Material
316L Stainless Steel (DLC coated)
Gold
Water Resistance
200m
100m

Crystal & Dial

3 specs
Crystal
Domed Sapphire
Sapphire
AR Coating
Inner
Yes
Dial Color
B68 Day Date
Black

Movement

3 specs
Caliber
Ronda 515
9R01
Type
Quartz
Spring Drive
Power Reserve
40h
192h

Pricing

1 specs
MSRP
$595
$273,000

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