Seiko Men's Black Nylon NATO Strap Automatic Watch - SRPD79

Items Description

The Seiko Men's Black Nylon NATO Strap Automatic Watch - SRPD79 offers a commanding presence with its fully blacked-out design, blending rugged dive watch heritage with modern street-ready aesthetics. Powered by Seiko’s reliable 4R36 automatic movement, this 42.5mm timepiece delivers both hand-winding and hacking capabilities, ensuring precision and convenience for daily wear. The stealthy ion-finished stainless steel case paired with a black rotating bezel creates a cohesive monochrome look that stands apart in the Seiko 5 Sports lineup.

 

Built for versatility, the SRPD79 features a durable black nylon NATO strap that secures the watch comfortably on the wrist while adding a tactical edge to its appearance. With 100 meters of water resistance and 4,800 A/m magnetic resistance, this watch is engineered to handle active environments without sacrificing style. Whether worn casually or as part of a more intentional outfit, the all-black execution of the SRPD79 makes it a distinctive choice for those who appreciate understated boldness.

 

Key Advantages of the Seiko Men's Black Nylon NATO Strap Automatic Watch - SRPD79

 

1. Stealth All-Black Aesthetic

The SRPD79 is defined by its full blackout treatment, from the ion-plated stainless steel case to the black dial and matching black rotating bezel. This monochromatic approach delivers a cohesive, modern look that is both aggressive and refined. The black nylon NATO strap reinforces the design language, ensuring the watch remains visually unified from the case to the strap.

 

• Ion-Finished Case: The black ion coating on the stainless steel case provides a sleek, matte finish that resists minor scratches and wear.
• Black Rotating Bezel: The unidirectional bezel is fully black, maintaining the stealth theme while offering practical dive timing functionality.
• Matte Black Dial: The dial features applied indices and hands with LumiBrite lume, ensuring readability in low light without breaking the monochrome palette.
• Nylon NATO Strap: The black nylon strap is lightweight, breathable, and quick-drying, complementing the watch’s sporty character.

 

2. Reliable 4R36 Automatic Movement

At the heart of the SRPD79 beats Seiko’s caliber 4R36, a proven automatic movement that offers both manual winding and hacking seconds. With 24 jewels and a 41-hour power reserve, this movement provides consistent accuracy and long-term dependability. The ability to stop the seconds hand allows for precise time setting, a feature appreciated by enthusiasts.

 

• Automatic & Hand-Winding: The movement can be wound manually when the watch has not been worn, ensuring it stays running.
• Hacking Function: Stop the seconds hand to set the time exactly to the second.
• 41-Hour Power Reserve: Keeps running for over a full day when fully wound.
• 24 Jewels: Reduces friction and enhances movement longevity.

 

3. Purpose-Built NATO Strap Design

The inclusion of a black nylon NATO strap on the SRPD79 is not merely aesthetic—it is a functional choice. NATO straps are renowned for their security, durability, and ease of interchangeability. The strap passes under the case, providing an extra layer of protection should a spring bar fail, and its woven nylon construction is resistant to moisture and sweat.

 

• Secure Fit: The one-piece strap design ensures the watch stays on your wrist even if a spring bar breaks.
• Quick-Drying: Nylon dries quickly after exposure to water, making it ideal for active wear.
• 22mm Width: Standard lug width allows for easy strap swaps with other 22mm NATO or leather options.
• Matte Hardware: The black-plated buckle and keepers match the case finish for a unified look.

 

4. Robust Water & Magnetic Resistance

Seiko has engineered the SRPD79 to withstand real-world conditions. With a water resistance rating of 10 bar (100 meters), it is suitable for swimming, snorkeling, and recreational diving. Additionally, the watch offers magnetic resistance up to 4,800 A/m, protecting the movement from interference in everyday environments like laptops or speakers.

 

• 100m Water Resistance: Suitable for swimming, showering, and surface water sports.
• 4,800 A/m Magnetic Resistance: Shields the movement from common magnetic fields.
• Screw-Down Crown: Enhances water resistance by securing the crown tightly against the case.
• Hardlex Crystal: Seiko’s proprietary hardlex mineral crystal offers good scratch resistance and impact durability.

 

5. Versatile Street-Ready Style

The SRPD79 bridges the gap between traditional dive watch utility and contemporary street style. Its all-black colorway allows it to pair with virtually any outfit, from jeans and a t-shirt to a casual blazer. The 42.5mm case diameter fits a wide range of wrist sizes, and the lug-to-lug measurement of 46mm ensures it wears comfortably without overhang. This watch is as much a style statement as it is a tool.

 

• 42.5mm Case Diameter: A middle-ground size that works well for most wrists, offering presence without being oversized.
• 46mm Lug-to-Lug: Compact enough to sit flat on average wrists, avoiding a top-heavy feel.
• 13.4mm Thickness: Provides a solid tool-watch profile while remaining manageable under shirt cuffs.
• Lightweight at 94g: The NATO strap keeps the total weight low for all-day comfort.

 

The Seiko Men's Black Nylon NATO Strap Automatic Watch - SRPD79 stands out as a purpose-driven timepiece that does not compromise on style. Its fully blacked-out design, reliable automatic movement, and practical NATO strap make it a versatile companion for daily wear and weekend adventures. Whether you are expanding a collection or seeking a single do-it-all watch, the SRPD79 delivers the quality and character that have defined Seiko 5 Sports for decades.

Specifications of Seiko Men's Black Nylon NATO Strap Automatic Watch - SRPD79

Brand Name	Seiko
Model number	SRPD79
Part Number	SRPD79
Model Year	2019
Dial window material type	Hardlex
Case material	Stainless steel (hard coating)
Case diameter	42.5 millimeters
Case Thickness	13.4 millimeters
Band Material	Nylon
Movement	Automatic with manual winding capacity

Prev:  Citizen Men's Eco-Drive Promaster Air Nighthawk Watch, Black Leather Strap, Black Dial, Dual Time (Model: BJ7137-07E)     Next: Seiko Men's SNKK13 5 Stainless Steel Goldtone Dial Watch

Specifications
[Brand Name ]	Seiko
[Model number ]	SRPD79
[Part Number ]	SRPD79
[Model Year ]	2019
[ Dial window material type ]	Hardlex
[Case material ]	Stainless steel (hard coating)
[Case diameter ]	42.5 millimeters
[Case Thickness ]	13.4 millimeters
[Band Material ]	Nylon
[ Movement ]	Automatic with manual winding capacity

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