Side by side
Lum-Tec B64 ChronographvsSeiko 5 Sports Field series
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
14 of 29 specs differDiameter
B64 Chronograph44mm
5 Sports Field series39.4mm
Power Reserve
B64 Chronograph40h
5 Sports Field series41h
Water Resistance
B64 Chronograph100m
5 Sports Field series100m
MSRP
B64 Chronograph$545
5 Sports Field series$315
Full specifications
Case
6 specsCategory
Chronograph
Sport
Diameter
44mm
39.4mm
Thickness
—
13.2mm
Lug-to-Lug
51.5mm
48.1mm
Lug Width
22mm
20mm
Material
Titanium (DLC coated)
Stainless Steel
Crystal & Dial
4 specsCrystal
Domed Sapphire
Hardlex
Crystal Shape
Flat
Curved
Dial Color
Standard
Black
Lume
None
LumiBrite on hands and index(es)
Movement
3 specsCaliber
—
4R36
Power Reserve
40h
41h
Jewels
25
24
Pricing
1 specsMSRP
$545
$315
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