Side by side
Seestern Sub 300 V4vsLum-Tec B64 Chronograph
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
19 of 29 specs differDiameter
Sub 300 V442mm
B64 Chronograph44mm
Power Reserve
Sub 300 V441h
B64 Chronograph40h
Water Resistance
Sub 300 V4200m
B64 Chronograph100m
MSRP
Sub 300 V4$10
B64 Chronograph$545
Full specifications
Case
9 specsCategory
Diver
Chronograph
Diameter
42mm
44mm
Thickness
13mm
—
Lug-to-Lug
46mm
51.5mm
Lug Width
20mm
22mm
Material
316L Stainless Steel
Titanium (DLC coated)
Finish
Brushed + Sandblasted
Brushed and polished
Water Resistance
200m
100m
Caseback
Solid screw-down
Solid
Crystal & Dial
4 specsCrystal
Sapphire
Domed Sapphire
AR Coating
Underside
Inner
Dial Color
Orange
Standard
Lume
Japan Lume (blue glow)
None
Movement
5 specsCaliber
Seiko NH35A
—
Beat Rate
21,600 vph
28,800 vph
Power Reserve
41h
40h
Jewels
24
25
Complications
GMT, Date
None
Pricing
1 specsMSRP
$10
$545
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