Side by side

Differs

IWC Schaffhausen Portofino Automatic 37IW458602

IWC Schaffhausen Portofino Automatic 37

Zenith Chronomaster Original Triple Calendar03.3400.3610/40

Zenith Chronomaster Original Triple Calendar

General

Collection (differs): Portofino; Chronomaster Original
Status: In production; Not known
Introduced (differs): 2022; 2024
Retail price: US$7,700; Not known

Case

Shape: Round; Round
Diameter (differs): 37 mm; 38 mm
Thickness (differs): 9.4 mm; 12.6 mm
Lug width: 18 mm; Not known
Material: Stainless steel; Stainless steel
Caseback: Display (sapphire); Display (sapphire)
Crystal (differs): Sapphire, Domed, Anti-reflective on both sides; Sapphire
Water resistance: 50 m; 50 m

Movement

Calibre (differs): IWC 32111; Zenith El Primero 3610
Type: Automatic; Automatic
Origin: In-house; Not known
Power reserve (differs): 120 h; 60 h
Frequency (differs): 28,800 vph (4 Hz); 36,000 vph (5 Hz)
Jewels (differs): 21; 35
Functions (differs): Central hacking seconds
Date display; Chronograph
Column wheel
Date
Day
Hours
Minutes
Month
Moonphase
Small seconds
Complications (differs): Central seconds
Date
Hacking (stop) seconds; Chronograph
Date
Day
Month
Moon phase
Small seconds

Dial

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

Bracelet

Type: Metal bracelet; Not known
Material: Stainless steel; Not known

IWC Schaffhausen Portofino Automatic 37 IW458602 vs Zenith Chronomaster Original Triple Calendar 03.3400.3610/40 – dialtone