Seiko Brown Black Open Heart Nautilus Mod Diameter: 40mm / 39mm /

Diameter: 40mm / 39mm / 36mm   – Versatile sizes that wears well on most wrists

Please note that water resistance is not guaranteed

All watches sold by Watchkraft are aftermarket custom builds using genuine movements and third-party mod components

meaning they are suitable for light splashes and rain only when the crown is properly screwed down

they do not carry Seiko’s original manufacturer warranty

Seiko Brown Black Open Heart Nautilus Mod Diameter: 40mm / 39mm /Diameter: 40mm Balanced size that complements a wide range of wrist profiles Movement: Seiko NH38 Automatic Proven, reliable movement with smooth, sweeping seconds Case Material: 316L Stainless Steel High grade steel with brushed and polished accents Crystal: Sapphire Crystal Glass Scratch resistant for clear, long lasting visibility Water Resistance: 5 ATM Handles splashes and rain when crown is properly secured (not suitable for swimming) Luminous