Side by side

Seestern S443 Column Wheel ChronographvsZelos Helica Moonphase

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

Helica Moonphase
ZelosHelica Moonphase
MSRP $1,049

At a glance

15 of 29 specs differ
Diameter
S443 Column Wheel Chronograph40mm
Helica Moonphase39mm
Power Reserve
S443 Column Wheel Chronograph45hh
Helica Moonphase40h
Water Resistance
S443 Column Wheel Chronograph50m
Helica Moonphase100m
MSRP
S443 Column Wheel Chronograph$10
Helica Moonphase$1,049

Full specifications

Case

5 specs
Category
Chronograph
Moonphase
Diameter
40mm
39mm
Thickness
13mm
10mm
Lug-to-Lug
48.6mm
39mm
Water Resistance
50m
100m

Crystal & Dial

3 specs
Dial Color
Pink
Meteorite
Indices
3D
Applied
Lume
Super BGW9
None

Movement

6 specs
Caliber
Seagull ST1901
Sellita SW288 Moonphase
Type
Manual
Automatic
Beat Rate
3 vph
28,800 vph
Power Reserve
45hh
40h
Jewels
21
25
Complications
Chronograph, Column Wheel
None

Pricing

1 specs
MSRP
$10
$1,049

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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.

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.

Zelos Helica Moonphase

Owners widely praise the Zelos Helica Moonphase for its gorgeous aventurine dial, unique industrial-dress aesthetic, and comfortable wearability, with one owner calling it spectacular and another their favorite Zelos. The moonphase complication is frequently highlighted as beautiful, though some find the double moon distracting or the dial cluttered. A manual-wind movement combined with a screw-down crown is noted as a drawback by some, requiring adjustment and potentially feeling fragile when fully wound, while one owner reports a 43-hour power reserve. On balance, owners rate the Zelos Helica Moonphase highly for its stunning aventurine dial and unique design at its price point.

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