Side by side

Sinn 903 St IIvsGeckota Chronotimer Sports Edition

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
Chronotimer Sports Edition
GeckotaChronotimer Sports Edition
MSRP $499

At a glance

17 of 29 specs differ
Diameter
903 St II41mm
Chronotimer Sports Edition41.5mm
Power Reserve
903 St II60h
Chronotimer Sports Edition40h
Water Resistance
903 St II200m
Chronotimer Sports Edition100m
MSRP
903 St II$3,942
Chronotimer Sports Edition$499

Full specifications

Case

8 specs
Category
Tool
Chronograph
Diameter
41mm
41.5mm
Thickness
14.5mm
12.35mm
Lug-to-Lug
47.8mm
Material
Stainless Steel
316L Stainless Steel
Finish
polished / satinized
Brushed and polished
Water Resistance
200m
100m
Caseback
Solid

Crystal & Dial

4 specs
Crystal Shape
Flat
AR Coating
Underside
Inner
Dial Color
Black
Maroon
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
$499

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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.

Geckota Chronotimer Sports Edition

The Geckota Maroon Red strap is considered decent with good colors by one owner, but the red stripes are too thick and the lines are too close together, and it is also noted as being too long with "meh" colors compared to other options. On balance, owners and reviewers find the Geckota Maroon Red strap to be a functional accessory with some aesthetic drawbacks.

From video reviewers

The polished and brushed steel case finishing is a shared strength. The hand-wound mechanical chronograph movement is also a consistent point. No shared weaknesses were identified.

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