Side by side

Sinn 903 St IIvsLorier Hydra SIII

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

903 St II
Sinn903 St II
MSRP $3,942
Hydra SIII
LorierHydra SIII
MSRP $699

At a glance

15 of 29 specs differ
Diameter
903 St II41mm
Hydra SIII39mm
Power Reserve
903 St II60h
Hydra SIII40h
Water Resistance
903 St II200m
Hydra SIII200m
MSRP
903 St II$3,942
Hydra SIII$699

Full specifications

Case

6 specs
Category
Tool
Diver
Diameter
41mm
39mm
Thickness
14.5mm
Lug Width
22mm
20mm
Finish
polished / satinized
Brushed and polished
Caseback
Solid

Crystal & Dial

4 specs
Crystal Shape
Flat
AR Coating
Underside
Inner
Dial Color
Black
Blue
Indices
Applied

Movement

4 specs
Caliber
LJP L110
Power Reserve
60h
40h
Jewels
26
25
Complications
Date, Chronograph
None

Pricing

1 specs
MSRP
$3,942
$699

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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.

Sinn 903 St II

The Sinn 903 St II is widely praised for its robust build quality, over-engineered feel, and strong value proposition, featuring 200 meters of water resistance and a La Joux-Perret L110 column-wheel chronograph movement. Owners appreciate the hybrid ceramic lume and the practical functionality of the slide rule operated by the bezel. However, reviewers note that the busy slide-rule dial can make time-reading challenging, with some finding the chronograph hand's placement over the "12" numeral less refined. On balance, owners and reviewers rate the Sinn 903 St II highly for its exceptional build quality and value, particularly its robust water resistance and functional slide rule at its price point.

Lorier Hydra SIII

Owners and reviewers praise the Lorier Hydra SIII for its value, GMT functionality via the Miyota 9075 movement, and classic travel-diver aesthetics. Some reviewers note the finishing is simple or a tad rough around the edges, while others find it good for the price. Accuracy figures range from +7 to +8.5 seconds per day. The domed Hesalite crystal may exhibit distortion. Overall, owners and reviewers rate the Lorier Hydra SIII highly for its feature set and value proposition in a travel-diver format.

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