Seiko Lord Marvel 5740-8000 "Hi-Beat" (December 1968) - newly serviced

The Seiko Lord Marvel 5740-8000 is far more than a classic vintage dress watch. It marks a decisive technological step in the history of Seiko:
It was the first watch to feature a series-produced Hi-Beat caliber (36,000 A/h) – a concept that would later become the DNA of Grand Seiko.

While Grand Seiko and King Seiko are much better known today, the Lord Marvel 5740 is considered by connoisseurs to be the technical forerunner of these premium lines – and thus a historically particularly relevant collector's item.

The specific example – honest vintage character

The watch offered here, from December 1968, presents itself as an authentic, untouched vintage Seiko with a very harmonious overall appearance:

• The silver sunburst dial shows an even, age-related patina, especially in the lower area – typical for models of this era and appreciated by many collectors.
• The applied baton indices and hands are clearly preserved and create the classic, minimalist Seiko aesthetic of the late 1960s.
• The case appears clean and well-maintained overall, with still clearly visible edges, although with normal signs of wear and probably slight refurbishment in the past.
• The combination with the new black leather strap is particularly successful, making the watch appear very elegant and timeless.

Important: This is expressly not an "over-restored" watch, but an honest, wearable vintage piece with character.

Technical highlight: Caliber 5740C (Hi-Beat)

Inside, the legendary operates:

• Seiko Caliber 5740C
• Manual winding
• 36,000 vibrations/hour (Hi-Beat)
• smooth second hand and high rate stability

This movement was absolutely on par with the best Swiss developments of its time and represents a milestone in Japanese watchmaking.

Technical specifications

• Reference: 5740-8000
• Year of manufacture: December 1968
• Movement: Seiko 5740C (manual winding, Hi-Beat, 36,000 A/h)
• Case: Stainless steel
• Diameter: 35 mm (without crown)
• Lug-to-Lug: 41.1 mm
• Height: 10.3 mm
• Weight: 47 g (incl. leather strap)
• Glass: new (2025)
• Strap: new black leather strap

Service condition

• Serviced in Japan in October 2025 
• technically flawless condition
• immediately wearable without need for investment

Why this watch is special

• first series-produced Hi-Beat Seiko (36,000 A/h)
• direct technical predecessor of Grand Seiko High-Beat models
• classic, timeless design without clutter
• increasingly sought after by collectors of Japanese vintage watches

This combination of historical significance, technology, and wearable elegance makes the Lord Marvel 5740 one of the most interesting Seiko references of its time.

Warranty (used)

This is a used item. The limitation period for claims for defects (statutory warranty) is 12 months from delivery.

Note

As this is a used watch, water resistance cannot be guaranteed. To protect the movement, the watch should not come into contact with water or moisture.