Swatch x Blancpain Fifty Fathoms 'Ocean of Storms' Ref. SO35B400
Dive Watch (Modern Bioceramic Dive Watch) · Swatch (The Swatch Group) in collaboration with Blancpain, affordable luxury tier
Period: Modern Luxury (2020s) / Tool Watch Revival
Type
Dive Watch (Modern Bioceramic Dive Watch)
Brand
Swatch (The Swatch Group) in collaboration with Blancpain, affordable luxury tier
Movement
Automatic/Self-winding mechanical, Swatch SISTEM51 caliber, 21,600 vph (3 Hz), 90-hour power reserve, 19 jewels, antimagnetic Nivachron hairspring
Dimensions
Case diameter: 42.3 mm, Case thickness: 14.4 mm, Lug-to-lug distance: 48.0 mm, Lug width: 22.0 mm
Description
The Swatch x Blancpain Fifty Fathoms 'Ocean of Storms' pays homage to the legendary 1953 dive watch that defined the genre. Rendered entirely in innovative black bioceramic, this model is inspired by Oceanus Procellarum, the largest lunar mare on the Moon, reflected in its intense black sunburst dial. Combining playful materials with serious horological pedigree, it features the revolutionary 51-component SISTEM51 automatic movement with an impressive 90-hour power reserve.
Key Features
Bioceramic case construction, automatic SISTEM51 movement with a 90-hour power reserve, magnetic resistance via Nivachron hairspring, open caseback featuring a digital print of the Okenia Luna nudibranch, and an eco-friendly NATO strap made from recycled fishing nets
Dial Description
Sunburst black dial with a gradient effect, featuring vintage-style applied hour markers and Arabic numerals at 3, 6, 9, and 12 o'clock filled with Grade A Super-LumiNova. Broad sword-shaped hands with luminous inserts, and a date window discreetly positioned between 4 and 5 o'clock.
Case Material
Black Bioceramic with a matte finish (a patented mix of two-thirds ceramic and one-third bio-sourced plastic derived from castor oil)
Crystal Type
Biocompatible biosourced crystal treated with an anti-scratch coating
Bezel Details
Unidirectional rotating bezel made of black bioceramic with a 60-minute dive scale featuring a black biosourced insert and a luminous pip at the 12 o'clock position
Crown & Pushers
Non-screw-down push-pull crown made of matching black bioceramic, embossed with the joint Blancpain-Swatch logo
Bracelet or Strap
NATO-style strap made from recycled fishing nets (Ocean Conservancy) in a matching black color with a bioceramic pin buckle and keepers
Caseback Details
Open exhibition sapphire/biosourced crystal back featuring a digitally printed high-resolution image of a nudibranch (Okenia Luna) native to the Pacific Ocean, revealing the decorated SISTEM51 movement underneath
Movement Type
Automatic/Self-winding mechanical, Swatch SISTEM51 caliber, 21,600 vph (3 Hz), 90-hour power reserve, 19 jewels, antimagnetic Nivachron hairspring
Water Resistance
50 fathoms / 91 meters / 300 feet / 9 bar, suitable for swimming, snorkeling, and recreational diving, though care should be taken with the non-screw-down crown.
Origin & Provenance
Swiss Made, manufactured by Swatch in Switzerland, celebrating Blancpain's historic dive watch heritage
Age Estimate
Contemporary, released circa January 2024
Cultural Significance
Following the monumental success of the MoonSwatch, this collaboration bridges high-end luxury watchmaking (Blancpain) with accessible fun (Swatch), bringing iconic historical designs to a much broader audience and sparking renewed interest in mechanical dive watches.
Condition Notes
The watch displays a pristine, brand-new or near-mint condition typical of a recently acquired Bioceramic timepiece with no visible scratches on the crystal or case.
Value Estimate
Retail price (MSRP) is around $400 USD. Secondary market prices often hover near retail or slightly above depending on local availability and boutique-exclusive status.
Care & Maintenance
Avoid exposure to extreme heat as bioceramic can warp above certain temperatures. The SISTEM51 movement is non-serviceable and designed to be swapped or replaced as a whole unit if it fails. Rinse the NATO strap in fresh water after saltwater exposure.
Similar Watches
Blancpain Fifty Fathoms Automatique (the luxury mechanical inspiration), Swatch x Blancpain 'Atlantic Ocean' or 'Pacific Ocean' (sibling models in different colors), Omega x Swatch MoonSwatch (preceding collaborative phenomenon)
Interesting Facts
The 'Ocean of Storms' is the fifth addition to the Bioceramic Scuba Fifty Fathoms collection, departing from the ocean-inspired colorways of the initial launch to focus on a lunar theme. The SISTEM51 movement inside is famously assembled entirely by machine with a single central screw, making it completely non-serviceable yet remarkably reliable.