Zenith Chronomaster Open

Ref. 03.3300.3604/21.M3300current

What is the Zenith Chronomaster Open?

Zenith Chronomaster Open 03.3300.3604/21.M3300 self-winding mechanical watch features a 39.5mm stainless steel case surrounding a black matte open-worked dial on a stainless steel bracelet. Functions include hours, minutes, seconds, chronograph, and tachymeter. This watch is powered by the El Primero 3604. This watch is water resistant to 100m.

VerifiedUpdated 2025-10-15

Case Details

Diameter Mm
39 mmmedium
Thickness Mm
Unknownlow
Lug To Lug Mm
Unknownlow
Material
Stainless Steelmedium
Shape
Roundmedium
Bezel
Stainless Steelmedium
Crystal
Sapphiremedium
Caseback
Exhibitionmedium
Water Resistance M
100 mmedium

Movement

Caliber
Unknownlow
Manufacturer
Zenithlow
Winding
Automaticmedium
Frequency Vph
Unknownlow
Power Reserve Hours
Unknownlow
Complications
Chronograph, Hours And Minutes, Secondsmedium
Base Caliber Notes
Unknownlow

Dial

Color
Blackmedium
Marker Style
Indexmedium

Strap & Bracelet

Type
Braceletmedium
Material
Stainless Steelmedium
Clasp
Folding Bucklemedium

Key Specifications

Diameter39 mm mm
ThicknessUnknown mm
Water Resistance100 m m
MovementUnknown
Power ReserveUnknown hrs
MSRP$10,300
MSRP
$10,300

fixed

Buy for $10,300

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