Side by side

Boldr Five-in-a-RowvsSeiko Prospex SPEEDTIMER

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

What people say

Owners + reviewers, side by side

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Boldr Five-in-a-Row

Owners widely praise Boldr's lightweight titanium cases, value, and suitability for outdoor or adventure use. The 38mm size is considered perfect by some, and the topographical dial on one variant offers fantastic depth with well-matched Old-Radium C3 lume. However, some owners report issues with customer service and perceived poor quality for the price, while others find the 14mm thickness chunky and the dial cluttered, impacting legibility. Accuracy averages around +15 seconds per day, though specific complications like a pulsometer and respiration timer are noted as accurate and useful on one variant. Overall, owners rate Boldr highly for its lightweight, functional design and value, despite some concerns about build quality and legibility.

Seiko Prospex SPEEDTIMER

Owners widely praise the Seiko Prospex SPEEDTIMER's design, with specific mentions of its beautiful ice blue sundial and compact 39mm case size, which some note wears smaller than its specifications due to a short lug-to-lug distance. Reviewers highlight its racing-inspired aesthetic and versatility, with one owner finding the 39mm solar model a sturdy and reliable everyday watch with 100m water resistance. However, some owners question the value proposition, citing the $700 price for a solar quartz model and a thickness of 13mm, while others expressed a preference for automatic movements. On balance, owners and reviewers appreciate the Seiko Prospex SPEEDTIMER's attractive vintage-inspired design and compact wearability, though some debate its value and thickness for a solar quartz chronograph.

At a glance

14 of 29 specs differ
Diameter
Five-in-a-Row38mm
Prospex SPEEDTIMER41.4mm
Power Reserve
Five-in-a-Row
Prospex SPEEDTIMER
Water Resistance
Five-in-a-Row200m
Prospex SPEEDTIMER100m
MSRP
Five-in-a-Row$399
Prospex SPEEDTIMER$750

Full specifications

Case

7 specs
Category
Tool
Chronograph
Diameter
38mm
41.4mm
Thickness
12.8mm
13mm
Lug-to-Lug
44mm
45.9mm
Lug Width
20mm
21mm
Material
Titanium
Stainless Steel
Water Resistance
200m
100m

Crystal & Dial

4 specs
Crystal Shape
Curved
AR Coating
Yes
Anti-reflective coating on inner surface
Dial Color
Five In A Row I
Lume
Super-LumiNova
LumiBrite on hands and index(es)

Movement

2 specs
Caliber
NH35
V192
Type
Automatic
Quartz

Pricing

1 specs
MSRP
$399
$750
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