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Boldr RangervsSeiko Prospex Sea The Black Series

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

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Ranger
BoldrRanger
MSRP $299
Prospex Sea The Black Series
SeikoProspex Sea The Black Series
MSRP $765
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At a glance

12 of 29 specs differ
Diameter
Ranger40mm
Prospex Sea The Black Series45mm
Power Reserve
Ranger40h
Prospex Sea The Black Series41h
Water Resistance
Ranger200m
Prospex Sea The Black Series200m
MSRP
Ranger$299
Prospex Sea The Black Series$765

Full specifications

Case

5 specs
Category
Tool
Diver
Diameter
40mm
45mm
Thickness
12mm
13.2mm
Lug-to-Lug
46mm
47.7mm
Lug Width
20mm
22mm

Crystal & Dial

3 specs
AR Coating
Yes
Anti-reflective coating on inner surface
Dial Color
Kopje
Black
Lume
Super-LumiNova
LumiBrite on hands, index(es) and bezel

Movement

3 specs
Caliber
NH35A
4R36
Power Reserve
40h
41h
Jewels
25
24

Pricing

1 specs
MSRP
$299
$765
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