Aquanaut Mod | Sky Blue

$449.00 $339.00

The Aquanaut Mod in striking sky blue delivers professional-grade watchmaking at an accessible price point. Powered by the reliable Japanese NH35A automatic movement, this 41mm timepiece features a robust 316L stainless steel case built to withstand daily wear. The sapphire crystal resists scratches while the screw-down crown ensures water resistance for aquatic adventures. Paired with a comfortable blue rubber strap and 21mm lug width for easy customization, this mod watch balances durability with refined aesthetics—ideal for collectors and everyday enthusiasts alike.

Sky Blue Dial Color
Japanese NH35A Automatic movement
41mm Case Diameter
Light Blue Rubber Strap
21mm Lug width:
Sapphire Crystal
316L Stainless Steel case
Screw-down crown

Hand‑assembled in the U.S. with meticulous care
Ready to Ship models dispatch within 3 business days
Standard build time: 3–12 business days
Delivery: 2–5 business days via selected carrier
Special orders/out‑of‑stock pieces may take up to 12 business days; you’ll be notified if additional time is required. We will work quickly to ship your order as soon as possible.
Once your order has shipped, you will receive an email with further information. Delivery times vary depending on your location.

All our quality watches backed by a money-back guarantee.

Sunshine Watch Co. has NO affiliation or connection with Seiko or endorsed by, or connected to Seiko Company or any of its subsidiaries.

Our timepieces are custom creations featuring movements from TMI (renowned for its accuracy and dependability and used in millions of watches worldwide)

Our timepieces are independent products and are not in any way associated with Seiko.