Seikonaut | Yellow

The SEIAQUA Aquanaut Mod Yellow blends sporty energy with a bold, sun-inspired palette—perfect for those who want a refreshing, standout look rooted in tool-watch character and everyday versatility.
Featuring a 42mm polished cushion-style case, a striking yellow embossed grid dial, and a durable yellow rubber strap, this model delivers a vibrant, modern aesthetic while retaining the timeless DNA of the Aquanaut style—clean, confident, and ready for any casual setting.
Powered by the reliable Seiko NH35 automatic movement, it offers smooth performance and dependable everyday wear, making it an ideal choice for both daily routines and weekend adventures.

✅ Case Size: 41mm
✅ Case Thickness: 12mm
✅ Case Material: 316L Stainless Steel
✅ Dial: Chocolate-tone embossed textured dial with luminous numerals
✅ Crystal: Sapphire with anti-reflective coating
✅ Movement: Seiko NH35 Automatic (24 jewels, hacking & hand-winding)
✅ Water Resistance: 10 ATM (100 m)
✅ Strap Material: Rubber
✅ Strap Color: Yellow
✅ Lug Width: 22mm
✅ Caseback: Exhibition display back
✅ Functions: Hours, minutes, seconds, date window at 3 o’clock

Processing time: 3–5 business days
Worldwide tracked shipping
Includes SEIAQUA premium watch box
2-year limited warranty
Optional engraving/customization available

Each watch is made to order. Assembly takes 3–5 business days before dispatch; delivery typically takes an additional 7–15 business days.

Tracked worldwide shipping is free. Read the destination details in our shipping policy.

Return conditions and exceptions for custom orders are explained in our returns policy.

Your custom watch includes a 2-year warranty. See the coverage and conditions in our warranty policy.

Need help choosing? Contact Watcheray.