Side by side

Sinn 103 St DIAPALvsSeestern S443 Column Wheel Chronograph

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

103 St DIAPAL
Sinn103 St DIAPAL
MSRP $4,320

At a glance

20 of 29 specs differ
Diameter
103 St DIAPAL41mm
S443 Column Wheel Chronograph40mm
Power Reserve
103 St DIAPAL48h
S443 Column Wheel Chronograph45hh
Water Resistance
103 St DIAPAL200m
S443 Column Wheel Chronograph50m
MSRP
103 St DIAPAL$4,320
S443 Column Wheel Chronograph$10

Full specifications

Case

8 specs
Category
Tool
Chronograph
Diameter
41mm
40mm
Thickness
17mm
13mm
Lug-to-Lug
48.6mm
Material
Stainless Steel
316L Stainless Steel
Finish
polished
Brushed and polished
Water Resistance
200m
50m
Caseback
Solid

Crystal & Dial

5 specs
Crystal Shape
Flat
AR Coating
Underside
Inner
Dial Color
Anthracite
Pink
Indices
3D
Lume
Luminescent
Super BGW9

Movement

6 specs
Caliber
LJP 8000
Seagull ST1901
Type
Automatic
Manual
Beat Rate
28,800 vph
3 vph
Power Reserve
48h
45hh
Jewels
28
21
Complications
GMT, Date, Chronograph, Pilot's Bezel
Chronograph, Column Wheel

Pricing

1 specs
MSRP
$4,320
$10

Follow this matchup

Get a note when Sinn 103 St DIAPAL vs Seestern S443 Column Wheel Chronograph gets more votes, a community discussion, or a price drop. No account needed.

What people say

Owners + reviewers, side by side

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Sinn 103 St DIAPAL

Owners widely praise the Sinn 103 St DIAPAL for its robust, Germanic design, legible dial, and functional combination of a chronograph and countdown bezel, all offered at a strong value compared to other classic chronographs. The tall, domed acrylic crystal is a favored feature for its warm look and impact resistance, and the polished stainless steel case is preferred by some over a matte finish. The watch meets DIN standards for anti-magnetic, water, and shock resistance, with low-pressure resistance. Some owners note the Sinn 103 St DIAPAL is thick, though its wearability is considered good even on smaller wrists. Availability in the US market without retail distribution is a noted concern for some. Overall, owners rate the Sinn 103 St DIAPAL highly for its rugged tool-watch functionality and distinctive vintage-inspired aesthetic at a competitive price.

Seestern S443 Column Wheel Chronograph

Owners widely praise the Seestern S443 Column Wheel Chronograph for its affordable mechanical chronograph movement with a column wheel, derived from the Venus 175. Some owners appreciate the watch's overall aesthetic, with one noting a preference for the black-yellow variant. The ST19 movement's execution is generally well-regarded, though one owner found the chronograph minute counter could stick, a common issue that may require a watchmaker, while another noted sticky chrono pushers after patina development on the bronze case. The ST19 movement lacks an hours totalizer, and its assembly is not as refined as luxury timepieces, though comparable to entry-level automatics. One owner finds the "hand winding" script font on the dial to be a design flaw. Overall, owners rate the Seestern S443 Column Wheel Chronograph highly for its value as a column wheel chronograph, despite minor assembly and functional quirks.

Keep exploring

More watches worth a look

Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.

Adjacent matchups

People also compared

Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.