Side by side

Sinn 155 S Revolution IIvsGeckota Chronotimer Sports Edition

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

155 S Revolution II
Sinn155 S Revolution II
MSRP $4,050
Chronotimer Sports Edition
GeckotaChronotimer Sports Edition
MSRP $499

At a glance

18 of 29 specs differ
Diameter
155 S Revolution II43mm
Chronotimer Sports Edition41.5mm
Power Reserve
155 S Revolution II48h
Chronotimer Sports Edition40h
Water Resistance
155 S Revolution II100m
Chronotimer Sports Edition100m
MSRP
155 S Revolution II$4,050
Chronotimer Sports Edition$499

Full specifications

Case

8 specs
Category
Tool
Chronograph
Diameter
43mm
41.5mm
Thickness
14.75mm
12.35mm
Lug-to-Lug
47.8mm
Lug Width
20mm
22mm
Material
Stainless Steel
316L Stainless Steel
Finish
bead-blasted
Brushed and polished
Caseback
Solid

Crystal & Dial

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

Movement

4 specs
Caliber
SW 510
Power Reserve
48h
40h
Jewels
27
25
Complications
Chronograph, Pilot's Bezel
None

Pricing

1 specs
MSRP
$4,050
$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 155 S Revolution II

The Sinn 155 S Revolution II is widely praised for its TEGIMENT-hardened, black PVD-coated stainless steel case and sapphire crystal, contributing to its durable tool watch identity. Reviewers note its legible bicompax dial with aged-look Super-LumiNova and a ghost-effect bezel, powered by a Sellita SW510 automatic chronograph movement. Owners report a slight misalignment in the 30-minute counter hand, which Sinn considers within tolerance. The watch's 43mm diameter and 51mm lug-to-lug measurement are considered large by some. Price points vary across sources, with one stating $3600 and another $2500 for this limited edition. On balance, owners and reviewers appreciate the Sinn 155 S Revolution II's robust build and vintage-inspired design, despite its substantial size and a minor hand alignment concern.

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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