Side by side

Sternglas Naos XSvsSeiko Prospex Sea

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

Naos XS
SternglasNaos XS
MSRP $247
Prospex Sea
SeikoProspex Sea
MSRP $595

At a glance

14 of 29 specs differ
Diameter
Naos XS33mm
Prospex Sea41.7mm
Power Reserve
Naos XS
Prospex Sea41h
Water Resistance
Naos XS50m
Prospex Sea200m
MSRP
Naos XS$247
Prospex Sea$595

Full specifications

Case

6 specs
Category
Dress
Diver
Diameter
33mm
41.7mm
Thickness
6mm
12.3mm
Lug-to-Lug
36mm
49.5mm
Lug Width
16mm
20mm
Water Resistance
50m
200m

Crystal & Dial

3 specs
Crystal
Sapphire
Hardlex
Dial Color
Black
Lume
None
LumiBrite on hands, index(es) and bezel

Movement

4 specs
Caliber
Ronda 784
4R35
Type
Quartz
Automatic
Power Reserve
41h
Jewels
23

Pricing

1 specs
MSRP
$247
$595

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What people say

Owners + reviewers, side by side

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

Sternglas Naos XS

Owners widely praise the Sternglas Naos XS for its simple, awesome design, domed sapphire crystal, and clean hands, with one owner highlighting the beautiful blue mother-of-pearl dial and top-notch build quality on a special edition. It is recommended as a durable, refined daily wear watch for around $270, suitable for casual and formal occasions. However, one owner found the Sternglas Naos XS to have a cheap feel and a face resembling a toy, noting it wears smaller than expected, while another described the automatic movement as a bit noisy. On balance, owners rate the Sternglas Naos XS highly for its refined design and value, with specific praise for the mother-of-pearl dial on special editions.

Seiko Prospex Sea

Owners and reviewers widely praise the Seiko Prospex Sea for its excellent value, robust build, and superior lume, with many noting its comfortable wearability and faithful design recreations. Some owners report the watch can feel big, thick, and heavy on smaller wrists, while others find the sizing perfect. The bezel action is frequently highlighted as smooth and precise, often exceeding that of less expensive models. On balance, owners and reviewers rate the Seiko Prospex Sea highly for its impressive finishing and value proposition.

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