Side by side

Differs

Zenith Chronomaster Original Triple Calendar03.3400.3610/40

Zenith Chronomaster Original Triple Calendar

IWC Schaffhausen Portofino Chronograph 39IW391502

IWC Schaffhausen Portofino Chronograph 39

General

Collection (differs): Chronomaster Original; Portofino
Status: Not known; In production
Introduced (differs): 2024; 2022
Retail price: Not known; US$7,900

Case

Shape: Round; Round
Diameter (differs): 38 mm; 39 mm
Thickness (differs): 12.6 mm; 13 mm
Lug width: Not known; 18 mm
Material: Stainless steel; Stainless steel
Caseback: Display (sapphire); Display (sapphire)
Crystal (differs): Sapphire; Sapphire, Domed, Anti-reflective on both sides
Water resistance: 50 m; 50 m

Movement

Calibre (differs): Zenith El Primero 3610; IWC 69355
Type: Automatic; Automatic
Origin: Not known; In-house
Power reserve (differs): 60 h; 46 h
Frequency (differs): 36,000 vph (5 Hz); 28,800 vph (4 Hz)
Jewels (differs): 35; 27
Functions (differs): Chronograph
Column wheel
Date
Day
Hours
Minutes
Month
Moonphase
Small seconds; Chronograph function with minutes and seconds
Central hacking seconds
Complications (differs): Chronograph
Date
Day
Month
Moon phase
Small seconds; Central seconds
Chronograph
Hacking (stop) seconds
Small seconds

Dial

Colour (differs): Green; White
Pattern (differs): Sunburst; Matte
Indices: Mixed; Mixed
Hands (differs): Baton; Leaf

Bracelet

Type: Not known; Leather strap
Strap colour: Not known; Cream

Zenith Chronomaster Original Triple Calendar 03.3400.3610/40 vs IWC Schaffhausen Portofino Chronograph 39 IW391502 – dialtone