HEIMDALLR Turtle King Automatic Dive Watch – NH36, Sapphire Crystal, 200m Water Resistant

The Turtle King. Built for the Deep.

The HEIMDALLR Turtle King (HMSC21) is a bold, cushion-case automatic diver inspired by one of the most iconic dive watch silhouettes in history. Powered by an NH36-compatible automatic movement with day-date display, it pairs a sapphire crystal with 200m water resistance, luminous hands and markers, and a screw-down crown — all in a 316L stainless steel case available in a wide range of dial and strap combinations.

Key Features

• NH36-Compatible Automatic Movement – Self-winding with hacking seconds, hand-winding, and day-date display; movement may be Japanese NH36A or equivalent Chinese 2553A calibre — same performance specification
• Sapphire Crystal – Scratch-resistant lens for lasting clarity underwater and in daily wear
• 200m Water Resistance (20 ATM) – Screw-down crown; rated for recreational and sport diving
• Luminous Hands & Markers – Numberless index dial with lume for clear readability in low light and underwater
• 316L Stainless Steel Case – 40–44mm cushion-case profile, 13mm thick; shock resistant construction
• Choice of Strap – Stainless steel bracelet or rubber strap; 20mm lug width
• Wide Colour Range – Green, blue, orange, and grey dial options across both strap types

Specifications

• Model: HMSC21
• Movement: NH36-compatible Automatic (day-date); Japanese NH36A or Chinese 2553A equivalent
• Case Diameter: 40–44mm
• Case Thickness: 13mm
• Lug Width: 20mm
• Crystal: Sapphire
• Water Resistance: 200m / 20 ATM
• Weight: ~300g
• Strap options: Stainless steel bracelet or rubber
• Dial/bezel colours: Green, Blue, Orange, Grey

A serious diver with a distinctive silhouette and a colour range that lets you make it your own. A great gift for the watch enthusiast who wants a capable tool watch with genuine character.