Chrononaut

In 1956 Ervin Piquerez SA designed the "Super Compressor" watch case that, with its unique sealing method, set it apart from other dive watches. It's also said that Aquastar circa 1960 introduced watches with rotatable chapter rings to mark elapsed time. Twin-crown dive watches with rotatable chapter rings were the rage in the 1960s.

The Chrononaut collection seeks to revive the design of twin-crown watches while using modern materials and manufacturing techniques. Even as we maintain the signature styling cues of Gruppo Gamma, watch aficionados would immediately recognise the subtle tribute we pay to the classic watches of times past.

The name 'Chrononaut' came about because the watch keeps track of two time zones. The rotatable chapter ring marks a second time zone and is useful for overseas travellers, workers collaborating with team members from other countries, as well as folks with loved ones residing in different time zones. With intensely bright luminescent markers the Chrononaut ensures readability at all times. 

While smaller and slimmer than our other collections to date, the Chrononaut is no less a capable tool watch. Powering the timepiece is a Swiss automatic movement. The surgical grade stainless steel case with box-shaped sapphire crystal is engineered to a depth rating of 300 m/ 1000 ft. Two screw-down crowns - one for winding and timesetting, and the other to turn the dial ring - make this timepiece stand out from the rest.

Overview

Mk I Chrononaut
Hours, minutes, seconds, second time zone
Weight 110 g with strap
Water resistance 300 m


Case

Stainless steel, brushed
Diameter 42 mm excluding crown and lugs
Length 50 mm lug-to-lug
Height 12.5 mm excluding 1.5 mm crystal
Lug width 22 mm
Stainless steel bezel, brushed
Box-shaped sapphire crystal with underside anti-reflective coating
Twin screw-in crowns
Exhibition caseback, stainless steel and sapphire


Movement

STP1-11 by Swiss Technology Production SA
28800 bph
Automatic bi-directional winding
Accuracy between -0 to +15 s/ day
Power reserve 44 hrs
Rotor signed and decorated with Côtes de Genève

Dial & Hands

Matte black dial, markers filled with C3 SuperLuminova
Rotatable dial ring, markers filled with C3 SuperLuminova
Silver color hour and minute hands with C3 SuperLuminova
Red second hand, with C3 SuperLuminova

Strap & Accessories

Tropic rubber, black, length 125/75mm, width 22/20mm with buckle
Canvas strap, green, length 125/75mm or 130/80mm, width 22/22mm with buckle
Screwdriver for strap changes
Travel pouch

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Chrononaut C-01

  • Brand: GRUPPO GAMMA
  • Product Code: Chrononaut C-01
  • Availability: In Stock
  • 245.000BD

  • Ex Tax: 245.000BD

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