Side by side
Lum-Tec B68 Day DatevsSeiko Astron
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
15 of 29 specs differDiameter
B68 Day Date44mm
Astron44.1mm
Power Reserve
B68 Day Date40h
Astron40h
Water Resistance
B68 Day Date200m
Astron100m
MSRP
B68 Day Date$595
Astron$3,100
Full specifications
Case
7 specsCategory
Sport
Chronograph
Diameter
44mm
44.1mm
Thickness
—
14.4mm
Lug-to-Lug
51.5mm
50mm
Lug Width
22mm
14mm
Material
316L Stainless Steel (DLC coated)
Titanium
Water Resistance
200m
100m
Crystal & Dial
5 specsCrystal
Domed Sapphire
Sapphire
Crystal Shape
Flat
Curved
AR Coating
Inner
Super-clear coating
Dial Color
B68 Day Date
Black
Lume
None
LumiBrite on hands and index(es)
Movement
2 specsCaliber
Ronda 515
5X83
Jewels
25
14
Pricing
1 specsMSRP
$595
$3,100
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