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Calm Cycle

£235.00
Color
Get it between Friday, April 24 and Sunday, May 03
Payment methods
  • American Express
  • Apple Pay
  • Google Pay
  • Mastercard
  • Visa

Calm Cycle

Most watches are powered by a battery you replace and forget. The Calm Cycle is powered by something else entirely.

Every movement of the wrist feeds the rotor. The rotor winds the mainspring. The mainspring stores energy, releases it in measured increments, and turns the hands. No battery. No circuit. Just a sequence of mechanical cause and effect that has been refined over more than a century.

The Sea-Gull calibre inside this watch is not a generic movement. Sea-Gull is one of the few manufactures in the world that produces its own movements from the ground up — a distinction shared by a small number of names in watchmaking history. That movement sits beneath a sapphire crystal, scratch-resistant and optically clear, framing a dial of deliberate simplicity.

White field. No numerals. Baton indices. A small-seconds sub-dial at six that ticks in the particular way only a mechanical watch can — not in steps, but in a continuous, uninterrupted sweep.

The case is stainless steel. The strap is leather. The weight on the wrist is the kind that reminds you something is there.

The Calm Cycle does not need a battery. It needs to be worn.

Specifications & Details

Our Selection

The Calm Cycle entered our selection the moment we confirmed the movement.

A Sea-Gull calibre at this point in the market is not an accident — it is a deliberate choice by a manufacturer that understands what mechanical watchmaking requires. We selected this piece because the movement is genuine, the crystal is sapphire, and the dial has the confidence to offer nothing decorative.

We selected it because it is, without qualification, the most honest watch in our collection.

The Watch

Technical Description
Structure and Materials

Stainless-steel case construction

Case thickness: approx. 10 mm

Sapphire crystal dial window with clear optical transparency

Leather strap with buckle fastening

Strap length: approx. 19 cm

Strap width: approx. 20 mm

Lightweight profile: approx. 57–60 g

Dial and Legibility

Dial diameter: approx. 40 mm

Minimalist numberless analogue display

Integrated small-seconds sub-dial

Mechanism and Performance

Automatic self-winding mechanical movement (Sea-Gull calibre)

Mechanical operation — no battery required

Water Resistance

Water resistance: 5 BAR (50 metres)

Suitable for splashes, rain, and routine daily exposure

Not suitable for swimming, diving, or prolonged immersion

Order Communication


Order Updates


We keep you informed throughout every stage of your order.

From confirmation to shipping and delivery, you will receive updates about your order status so you always know where your watch is in the process.

Customer Support

Should you have any questions along the way, our support team will be pleased to assist you. Kindly note that responses are provided within 24 to 48 hours, excluding weekends.

Care & Packaging


Protective Packaging


Our watches are carefully packaged to ensure they arrive safely during international delivery.

To reduce unnecessary waste, packaging is kept simple and protective rather than overly elaborate. What truly matters is the timepiece itself — designed to accompany your everyday moments with elegance and reliability.


Watch Care

To preserve your watch, avoid strong impacts and prolonged exposure to water unless specified by the model's resistance rating. Clean gently with a soft cloth and store in a dry place when not in use.

Frequently asked questions

When will I get my order?

Orders are typically processed within 2–5 business days.

Estimated delivery times vary by location and carrier, but most orders arrive within 14 days after dispatch.

Please note that delivery times are estimates and may vary.

What is the return policy?

We accept returns within 14 days of delivery if you are not satisfied with your purchase, provided the item is unused and in its original condition.

To initiate a return, please contact our support team before sending any item back. Return instructions will be provided individually.

Do your products come with a warranty?

Yes. All products are covered against manufacturing defects.

If you believe your item has a defect, please contact us at contact@éternoa.com so we can review the case.