Seiko has once again tapped into its rich heritage with a stunning nod to space exploration history through the new SRPL91 and SRPL93 models. These are limited-edition models that resurrect the silhouette and spirit of a true space-age icon—the Seiko 6119-8460. This was the very model worn by NASA Flight Director Gene Kranz during the Apollo missions, and its reappearance in modern form is a welcome surprise.

Gene Kranz and the 6119-8460 Legacy

Before diving into specs and design, it’s worth emphasizing just how unique this release is. These new watches draw directly from the Seiko 6119-8460, a model recognized for its cushion-shaped case and clean, functional layout. It wasn’t just any watch of the era—it was worn by Gene Kranz, the white-vested NASA Flight Director who played a key role in safely bringing Apollo 13 back to Earth. This wasn’t some marketing myth either; photos of Kranz in Mission Control confirm the 6119 on his wrist.

That connection to real history makes the SRPL91 and SRPL93 far more than just retro-inspired reissues. They’re a tangible link to a pivotal moment in time—and a reminder that even among the stars, dependable wristwear matters.

Design: Compact Case, Vintage Charm

Both models feature a highly wearable 38.2mm stainless steel cushion case that mirrors the 6119’s distinctive silhouette. While many modern reissues tend to upscale dimensions, Seiko wisely kept things faithful to the original, resulting in a watch that feels perfectly sized by today’s vintage-leaning standards.

The bi-directional bezel adds both visual interest and practical functionality, just like the original. The SRPL91 comes with a dark, almost charcoal-colored dial and bezel for a more subdued, tool-like aesthetic. Meanwhile, the SRPL93 offers a fresher, brighter blue configuration that gives the case a slightly more modern personality.

The watches retain the iconic Seiko 5 shield at 12 o’clock—another nod to the model’s place in the 5 Sports family, known for offering mechanical movements, day-date functions, and sporty designs at accessible price points. The hands and markers are coated with LumiBrite for low-light visibility, staying true to their utilitarian roots.

Movement: 4R36 Reliability

Inside both models is Seiko’s tried-and-true 4R36 automatic movement. This caliber features hand-winding and hacking seconds, along with a 41-hour power reserve. It’s a movement known for reliability and ease of servicing, making it a great choice for a daily-wear mechanical piece.

Though the original 6119 had a different movement under the hood, the 4R36 brings the best of both worlds: classic design with updated mechanics.

Caseback & Packaging Details

Limited to 9,999 pieces each, both watches come with custom casebacks commemorating the release. While they don’t name-drop Kranz or Apollo outright, fans in the know will immediately recognize the tribute. Special packaging also reinforces the vintage inspiration without going over the top.

This subtlety works in the watch’s favor—it’s more of a respectful homage than a themed novelty

How It Wears: Tool Watch Vibes, Everyday Comfort

Thanks to its 38.2mm diameter and cushion shape, the SRPL91/93 wears beautifully on a variety of wrist sizes. The lug-to-lug distance is compact, and the case hugs the wrist nicely. It’s light enough to disappear under a cuff but bold enough to stand on its own with a T-shirt.

The included bracelet is solid and comfortable, with a three-link design and fold-over clasp. Of course, the case lends itself well to strap swaps too—NATO straps, rubber dive bands, and leather all look great with this retro case.

It’s a piece that doesn’t scream for attention, but those who know the history will appreciate what it represents.

Final Thoughts

The Seiko SRPL91 and SRPL93 are a rare treat—vintage-inspired watches that don’t just look the part, but actually have the heritage to back it up. Drawing directly from the Seiko 6119-8460 worn by Gene Kranz during NASA’s Apollo era, they offer collectors a slice of authentic space history, wrapped in a wearable, mechanically solid package.

Whether you’re a Seiko devotee, a vintage design fan, or just someone who loves the idea of wearing a watch connected to one of humanity’s greatest achievements, this release ticks a lot of boxes.

They’re limited, thoughtfully executed, and reasonably priced—a combination that doesn’t come around often.

Seiko SRPL91 / SRPL93 – Specs

• Case: Stainless steel
• Diameter: 38.2mm
• Thickness: 12.3mm
• Lug-to-lug: 44.7mm
• Crystal: Dual-curved Hardlex
• Water resistance: 100m / 10 bar
• Magnetic resistance: 4,800 A/m
• Weight: 137.0g
• Movement: 4R36 automatic with manual winding
• Power reserve: Approx. 41 hours
• Jewels: 24
• Band: Stainless steel bracelet
• Clasp: Three-fold clasp with push button release
• Lug width: 20mm