Side by side

Sternglas NaosvsSeiko Prospex SPEEDTIMER

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

Naos
SternglasNaos
MSRP $323
Prospex SPEEDTIMER
SeikoProspex SPEEDTIMER
MSRP $2,200
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

The Sternglas Naos is widely praised for its refined daily wearability and Bauhaus design, with owners noting its durable construction, scratchless sapphire crystal, and flawless date mechanism. Reviewers highlight the comfortable and supple bracelet that drapes well and a date window that matches the dial. One owner advises replacing the original tan strap due to a lack of durability. The quartz movement is noted for its accuracy, and the absence of a seconds hand is seen as a unique solution to prevent misaligned markers. Overall, owners and reviewers rate the Sternglas Naos highly for its harmonious design and comfortable wear at its price point.

Seiko Prospex SPEEDTIMER

Owners widely praise the Seiko Prospex SPEEDTIMER for its unique dial colors and vintage-inspired design, with many appreciating its compact 39mm case size and 100m or 200m water resistance. Reviewers and owners note the V192 solar movement’s power reserve indicator and its reliability, though some owners express a preference for automatic movements. One owner finds the $700 price for a solar quartz model expensive, while another criticizes the €860 price point and desires a thinner case and a bracelet with quick-release or micro-adjustment. On balance, owners and reviewers appreciate the Seiko Prospex SPEEDTIMER for its distinctive aesthetic and versatile wearability, despite some reservations about its price and case thickness.

At a glance

13 of 29 specs differ
Diameter
Naos38mm
Prospex SPEEDTIMER42mm
Power Reserve
Naos
Prospex SPEEDTIMER40h
Water Resistance
Naos50m
Prospex SPEEDTIMER100m
MSRP
Naos$323
Prospex SPEEDTIMER$2,200

Full specifications

Case

5 specs
Category
Dress
Chronograph
Diameter
38mm
42mm
Thickness
7.2mm
12.9mm
Lug-to-Lug
41mm
49.6mm
Water Resistance
50m
100m

Crystal & Dial

4 specs
Crystal Shape
Flat
Curved
AR Coating
Inner
Super-clear coating
Dial Color
Black
Lume
None
LumiBrite on hands and index(es)

Movement

3 specs
Caliber
Ronda 714
5X83
Power Reserve
40h
Jewels
14

Pricing

1 specs
MSRP
$323
$2,200
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