Description
SEIKO Selection SSEH020 – nano・universe Collaboration Excellence. Sophisticated rectangular tank-style dress watch born from the creative partnership with renowned select shop nano・universe, featuring 4N30 minimalist quartz caliber, frosted metallic gold dial with elegant Roman numeral indices, stainless steel case with rich gold plating, cowhide leather (calf) strap in deep brown, curved hardlex crystal, 30 m water resistance, antimagnetic construction, ultra-slim 6.4 mm profile weighing only 30 g, acclaimed for timeless vintage-inspired aesthetics paired with contemporary watchmaking precision.
Specifications:
- Case size: 27.9 mm (width) × 38.2 mm (height) × 6.4 mm (thickness)
- Weight: Approximately 30 g
- Case material: Stainless steel with gold plating
- Case shape: Rectangle (tank-style)
- Band: Cowhide leather (calf), brown; 23 mm lug width; maximum wrist circumference approximately 20 cm
- Band clasp: Standard buckle closure
- Water resistance: 30 m (3 ATM; everyday use/splash-resistant)
- Movement: Battery-powered quartz; 4N30 caliber (time-only, 2-hander movement; zero jewels)
- Accuracy: Average monthly difference ±15 seconds
- Battery life: Approximately 3 years
- Display: Analog with two hands (hour and minute); minimalist three-handed design
- Crystal: Curved hardlex crystal (scratch-resistant)
- Dial color: Frosted metallic gold
- Dial features: Roman numeral indices
- Functions: Antimagnetic
- Origin: Japan (JDM Genuine; supervised by nano・universe select shop)
Key Highlights:
Limited-edition collaboration with cult-status select shop nano・universe brings heritage-inspired tank design to contemporary menswear; ultra-slim 6.4 mm profile and featherweight 30 g construction deliver exceptional comfort for all-day wear; frosted gold dial with Roman numerals exudes quiet luxury and timeless elegance; premium cowhide leather strap develops character over time, enhancing the watch's vintage patina; Japanese-engineered 4N30 quartz ensures dependable accuracy with minimal maintenance; antimagnetic properties suit modern digital environments; versatile rectangular silhouette transcends seasons and occasions, perfect for discerning collectors seeking understated sophistication.







