Side by side

Marnaut Safe Harbour 100CvsSeiko Ice Diver

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

Safe Harbour 100C
MarnautSafe Harbour 100C
MSRP $899
Ice Diver
SeikoIce Diver
MSRP $900
What people say

Owners + reviewers, side by side

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

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.

Seiko Ice Diver

Owners widely praise the Seiko Prospex Sea for its robust build, classic dive watch design, and excellent value, with many highlighting its strong lume and comfortable wearability. Reviewers consistently flag its superior bezel action and overall finishing as standout features for its price point. Some owners find the 43mm case size substantial, with one noting it felt big, thick, and heavy on a 6.5-inch wrist, though others consider it a perfect size. The movement's power reserve is noted as less than newer variants by one reviewer. Overall, owners and reviewers rate the Seiko Prospex Sea highly for its classic design and robust build at an accessible price.

At a glance

10 of 29 specs differ
Diameter
Safe Harbour 100C39mm
Ice Diver45mm
Power Reserve
Safe Harbour 100C41h
Ice Diver70h
Water Resistance
Safe Harbour 100C100m
Ice Diver200m
MSRP
Safe Harbour 100C$899
Ice Diver$900

Full specifications

Case

5 specs
Category
Diver
Diameter
39mm
45mm
Thickness
13mm
12.9mm
Lug-to-Lug
45mm
52.6mm
Water Resistance
100m
200m

Crystal & Dial

1 specs
Lume
None
LumiBrite

Movement

3 specs
Caliber
Sellita SW200-1
6R35
Power Reserve
41h
70h
Jewels
25
24

Pricing

1 specs
MSRP
$899
$900
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