Home / Brands / IWC / Portofino / IW659601 IWC Portofino Automatic Moon Phase 37 IW659601 37.1mm · Stainless Steel · Caliber 32800 · 50m
The IW659601 features a 37.1mm stainless steel case and silver-plated dial. Its automatic calibre 32800 provides a 120-hour power reserve and a moon phase display.
IWC Schaffhausen Portofino Automatic Moon Phase 37
Brand IWC Full reference IW659601 Model Portofino Automatic Moon Phase 37 Collection Portofino Case diameter 37.1mm Case material Stainless Steel Water resistance 50m Movement Automatic Caliber 32800 Power reserve 120 hours Functions / complications Central Seconds, Moon Phase Dial color Silver plated Bracelet / strap Leather Copy page link
Related references — same collection Shared specifications help discovery; these links do not assert a predecessor or successor relationship.
Sources & record notes Specifications otherwise follow the source record below. Manufacturer supplements are identified separately; original source text is retained for comparison. The Watch Pages.
Manufacturer evidence supplements and corrects the model name, case diameter, dial color and overview — Official source ↗ (checked 2026-11-05).
The Watch Pages · IWC Schaffhausen IW659601 Original collection: Not recorded
Technical Specifications / Date Added: September 9, 2022
Technical Specifications / Reference: IW659601
Technical Specifications / Brand: IWC Schaffhausen
Technical Specifications / Case Size: 37mm
Technical Specifications / Case Material: Stainless Steel
Technical Specifications / Dial Color: White
Technical Specifications / Dial Material: Silver
Technical Specifications / Movement: Automatic
Technical Specifications / Caliber: 32800
Technical Specifications / Power Reserve: 120 hours
Technical Specifications / Water Resistance: 50m
Technical Specifications / Strap Material: Leather
Technical Specifications / Strap Color: Blue, Interchangeable
Technical Specifications / Buckle Type: Pin
Technical Specifications / Style: Classic, Gem-Set
Technical Specifications / Special Features: Open Case Back, Diamonds/Gemstones, Water Resistant
Technical Specifications / Complications: Central Seconds, Moon Phase
Technical Specifications / Diamonds: 72 WatchTraderHub · IWC Schaffhausen IW659601 Original collection: Portofino
structured_data / Brand: IWC Schaffhausen
structured_data / Reference Number: IW659601
structured_data / Collection: Portofino
structured_data / Case Diameter: 37.1mm
structured_data / Case Material: Steel
structured_data / Water Resistance: 50m
structured_data / Crystal: Sapphire Crystal
structured_data / Movement Type: Automatic
structured_data / Caliber: 32800
structured_data / Bracelet/Strap: Calf Skin
structured_data / Feature: Central seconds
structured_data / Feature: Display back
structured_data / Feature: Moon phase Images are loaded from the cited external sources. Copyright remains with its holders; permission to reproduce locally has not been established.
Corrections and data limitations