Side by side

Sternglas Naos XLvsSinn U50 HYDRO SDR with TEGIMENT option

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

Naos XL
SternglasNaos XL
MSRP $237
U50 HYDRO SDR with TEGIMENT option
SinnU50 HYDRO SDR with TEGIMENT option
MSRP $3,110

At a glance

17 of 29 specs differ
Diameter
Naos XL42mm
U50 HYDRO SDR with TEGIMENT option41mm
Power Reserve
Naos XL
U50 HYDRO SDR with TEGIMENT option40h
Water Resistance
Naos XL50m
U50 HYDRO SDR with TEGIMENT option5,000m
MSRP
Naos XL$237
U50 HYDRO SDR with TEGIMENT option$3,110

Full specifications

Case

7 specs
Category
Sport
Diver
Diameter
42mm
41mm
Thickness
6.6mm
11.8mm
Lug-to-Lug
47mm
Finish
Brushed and polished
bead-blasted
Water Resistance
50m
5000m
Caseback
Solid

Crystal & Dial

5 specs
Crystal Shape
Flat
AR Coating
Inner
Underside
Dial Color
Black
Indices
Applied
Lume
None
Luminescent

Movement

4 specs
Caliber
Miyota 9U15
Ronda 715 Li - SWISS MADE
Power Reserve
40h
Jewels
5
Complications
None
Date

Pricing

1 specs
MSRP
$237
$3,110

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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 XL

Owners widely praise the Sternglas Naos XL for its versatile Bauhaus design, domed sapphire crystal, and value, with some finding its larger size comfortable and refined for its price. However, opinions are split on its aesthetic appeal, with one owner finding the hands and face underwhelming, while others appreciate the minimalistic dial. The date font is noted as too small to be useful by one owner, and the stock strap is generally considered basic or prone to wear. Accuracy figures vary, with one owner reporting a Miyota movement running fast and another noting +13 seconds per day. Overall, owners rate the Sternglas Naos XL highly for its Bauhaus aesthetics and affordability, despite some reservations about the movement and strap.

Sinn U50 HYDRO SDR with TEGIMENT option

The Sinn U50 HYDRO SDR with TEGIMENT option is widely praised for its exceptional scratch resistance and legibility, with owners reporting no signs of wear after extended use. The oil-filled case contributes to extreme water resistance and a clear dial, while the fully tegimented construction offers a soft feel on the wrist. Reviewers note the compact 41mm size, though one owner found it did not wear as thin as expected due to its thickness. The lume is considered underwhelming by some, and the diving extension on the clasp can release too easily. It utilizes a quartz movement, which is noted as less accurate than previous thermo-compensated options. Overall, owners and reviewers rate the Sinn U50 HYDRO SDR with TEGIMENT option highly for its robust, legible, and virtually indestructible build at its price point.

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