Side by side
Boldr MarinevsSeiko 5KX
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
13 of 29 specs differDiameter
Marine40mm
5KX42.5mm
Power Reserve
Marine40h
5KX41h
Water Resistance
Marine200m
5KX100m
MSRP
Marine$439
5KX$350
Full specifications
Case
5 specsCategory
Tool
Diver
Diameter
40mm
42.5mm
Thickness
12.3mm
13.4mm
Lug Width
20mm
22mm
Water Resistance
200m
100m
Crystal & Dial
4 specsCrystal
Sapphire
Hardlex
AR Coating
Yes
Inner
Dial Color
Defender Elewana
Black
Lume
Super-LumiNova
LumiBrite on hands and index(es)
Movement
3 specsCaliber
NH35A
4R36
Power Reserve
40h
41h
Jewels
25
24
Pricing
1 specsMSRP
$439
$350
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