Side by side

Sinn 903 St IIvsGeckota Classic Chronotimer

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
Classic Chronotimer
GeckotaClassic Chronotimer
MSRP $499

At a glance

17 of 29 specs differ
Diameter
903 St II41mm
Classic Chronotimer41.5mm
Power Reserve
903 St II60h
Classic Chronotimer40h
Water Resistance
903 St II200m
Classic Chronotimer100m
MSRP
903 St II$3,942
Classic Chronotimer$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
Grey
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 Classic Chronotimer

Owners widely praise the Geckota Classic Chronotimer for its appealing and distinct yet classic design, with many receiving compliments on its unique look. Enthusiasts highlight the hand-wound mechanical movement as a positive feature, noting the movements appear to be solid workhorses. Some owners find the Geckota Classic Chronotimer comfortable and fun to wear, appreciating its funky aesthetic and how well it contrasts with different straps. However, one owner reports the Chronotimer wears large on smaller wrists. Overall, owners rate the Geckota Classic Chronotimer highly for its beautiful and distinct design that garners frequent compliments.

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