Seikomaster 300 Diver

A bold diver-inspired build with a subtle pop of colour. Built around a classic Seamaster-style case, it balances a clean, professional look with small design details that make it stand out. Finished with a sporty silicone strap, it’s a versatile everyday piece with a bit of personality. 🌊🧡

The Details

• Movement: Seiko NH35 Automatic (hand-winding, hacking & quickset date) ⚙️
• Case: 41.5mm stainless steel Seamaster-style case
• Thickness: 13mm
• Lug Width: 20mm
• Bezel: Not specified
• Crystal: Scratch-resistant sapphire crystal 💎
• Dial & Hands: Seamaster-inspired dial and hands
• Strap: Black silicone strap with orange accents (comfortable & water-ready)
• Water Resistance: Rated to 50m

Built To Order ⏳

Each watch is built to order over a 2–4 week period. This time is essential for us to carefully source high-quality parts and hand-assemble your watch to our standards. We don’t mass produce — every piece is made with attention to detail and care.

A Personal Touch 🎨

Because we build these ourselves, we can customise your watch to suit your style. Whether it’s a different dial, hands, or strap — if you’ve got something in mind, reach out and we’ll make it happen.

Disclaimer

This watch is a custom-built timepiece using a Seiko automatic movement and aftermarket parts. It is not affiliated with any brands.