Side by side

Boldr Five-in-a-RowvsMarnaut Safe Harbour 100C

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

Five-in-a-Row
BoldrFive-in-a-Row
MSRP $399
Safe Harbour 100C
MarnautSafe Harbour 100C
MSRP $899
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.

Marnaut Safe Harbour 100C

The Marnaut Safe Harbour is widely praised for its compact 39mm tonneau case and its unique sea urchin-inspired dial. Reviewers note the case wears well despite its 13.2mm thickness. One owner flagged a potential lume inconsistency, which was attributed to UV lighting effects. The slender handset can be difficult to read against the busy dial, and the faux-crocodile strap is stiff initially. Overall, owners and reviewers appreciate the Marnaut Safe Harbour for its distinctive dial and comfortable wearability.

At a glance

12 of 29 specs differ
Diameter
Five-in-a-Row38mm
Safe Harbour 100C39mm
Power Reserve
Five-in-a-Row40h
Safe Harbour 100C41h
Water Resistance
Five-in-a-Row200m
Safe Harbour 100C100m
MSRP
Five-in-a-Row$399
Safe Harbour 100C$899

Full specifications

Case

6 specs
Category
Tool
Diameter
38mm
39mm
Thickness
12.8mm
13mm
Lug-to-Lug
44mm
45mm
Material
Titanium
Stainless Steel
Water Resistance
200m
100m

Crystal & Dial

3 specs
AR Coating
Yes
Inner
Dial Color
Five In A Row I
Black
Lume
Super-LumiNova
None

Movement

2 specs
Caliber
Seiko NH35
Sellita SW200-1
Power Reserve
40h
41h

Pricing

1 specs
MSRP
$399
$899
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