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Zenith

Integrated sports, 2026

Defy Revival A3643

Ref. A3643

37mm
Diameter
13.6mm
Thickness
50h
Power reserve
300m
Water resistance

It returns to the octagonal 1969 case, with a fourteen-sided bezel and 300 m.

€7,900

Official list price

Mar 2026. Source: fratellowatches.com

Diameter
37 mm
Thickness
13.6 mm
Power reserve
50 h
Water resistance
300 m
Movement
Automatic
Material
stainless steel

Specifications

Case

Diameter
37 mm
Thickness
13.6 mm
Material
stainless steel
Shape
octagonal
Water resistance
300 m

Movement

Movement
Automatic
Calibre
Elite 670
Power reserve
50 h
Frequency
28,800 vph
Jewels
27
Complications
hours, minutes, seconds, date

Dial and strap

Dial
silver sunburst
Markers
Not confirmed
Date
Yes
Bezel
octagonal
Strap
bracelet, steel

Record

Line
Defy
Year
2026
Status
In production
Range
Luxury

Alternatives

Why it matters

Sources

  1. fratellowatches.com
  2. fratellowatches.com

Record confidence: medium. Anything unverified stays marked, never estimated.