The captain would be proud.

Introducing the G6105 Automatic. The ultimate homage to Captain Willard with movement by Seiko. Exceptional quality and classic styling at an accessible price.

Quality Movements
Quality Movements

Swiss and Japanese movements that are robust, reliable and accurate.

Fine Craftsmanship
Fine Craftsmanship

Fit and finish crafted to precision tolerances by experienced watchmakers.

Great Warranty
Great Warranty

Five year replacement warranty for manufacturer defects.

A Tribute to Captain Willard

Grendel is proud to introduce our flagship offering. The Japanese made G6105 Automatic. A tribute to one of the most iconic dive watches in history.

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The original 6105 made by Seiko was famously worn by Martin Sheen in Apocalypse Now, resulting in the “Captain Willard” nickname.

G6105 Product Features

The classic proportions of the original 6105 with improved features.

  • Seiko NH35A 24 jewel automatic movement
  • Hacking and hand winding
  • 41 hour power reserve
  • 316L stainless steel case
  • Double dome Type 2 crystal AR coated on the inside
  • Super-Luminova C3 index dial and hands
  • Unidirectional bezel
  • Ceramic bezel insert for improved scratch resistance
  • Improved screw down crown design
  • Water resistance up to 20 ATM / 200 meters / 656 feet

The Wow Factor

Just as the choice of a strap can completely transform the character of a watch, the choice of a crystal can have a profound effect on the personality of a watch.

The original 6105 owes a great deal of its charm to the double domed Type 2 crystal standing proud of the bezel.

Like the original, our crystal has a double dome and stands slightly taller than the bezel with a chamfered gap between the crystal edge and the bezel insert.

This feature creates the classic visual impact missing from other modern interpretations and defines what most people like about the original vintage watch.


Robust. Reliable. Accurate.

There’s a reason the NH35A caliber is one of the most popular automatic movements in use today. It’s a 24 jewel workhorse that won’t give up on you in tough conditions.


Caliber Specs

ManufacturerSeiko
Caliber NumberNH35A
Movement TypeAutomatic
Jewels24
Vibrations Per Hour21,600 bph
Lift Angle53 degrees
Shock SystemDiashock
Power Reserve41 hours
Rotor DirectionBi-directional winding (Magic Lever)
HackingYes
Hand-WindableYes
Manual WindingClockwise direction
FunctionsHours, minutes, central seconds, date calendar
Country of ManufactureJapan

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