MARATHON 46mm Jumbo Diver JSAR Quartz – WW194018SS

Technical Core

Inside this watch, a high-torque Swiss quartz caliber operates: the ETA F07.115 HeavyDrive from ETA SA in Grenchen. This movement was deliberately designed for increased stress, features three jewels, and provides a reliable battery life indicator through the integrated EOL indicator (End-of-Life) – a practical feature that delivers real added value in situations where availability counts.

Case and Protection

The case is made of brushed 316L stainless steel and presents a sober, professional presence on the wrist. With a water resistance of 30 ATM / 300 m, the construction is not only designed for diving but also withstands harsh conditions and adverse environments without losing integrity.

Bezel and Visibility

The unidirectional rotating 60-minute bezel operates with 120 clicks and a MaraGlo-illuminated marker, which provides instant orientation even in low ambient light. This combination of fine detent and durable luminous marking makes time measurements underwater as reliable as they are intuitive.

Operation and Robustness

The screw-down crown ensures additional water resistance and protection against unintentional operation, while the scratch-resistant sapphire crystal keeps the view of the dial clear. The overall structural integrity of the crown, crystal, and case demonstrates a consistent focus on reliability rather than superficial effects.

Dimensions and Presence

With a diameter of 46 mm, a lug-to-lug length of 55 mm, and a height of 18 mm, the watch shows a distinct, confident presence on the wrist. These generous proportions are not only visually striking, but they also enhance usability – especially with gloves or in difficult conditions.

Dial and Readability

The black dial combines hour markers in 1–12 and 13–23 formats and relies on clear contrasts; indices as well as hour, minute, and second hands are coated with MaraGlo, enabling quick orientation even at night. An unobtrusively placed date display at 4:30 o'clock complements the practical function without disturbing the symmetry of the dial.

Movement Functions and Everyday Suitability

The HeavyDrive caliber not only provides high driving force for robust hands but also a pragmatic indicator for maintenance or battery changes with the EOL signal. This combination of technology and everyday suitability ensures that the watch never unexpectedly fails during use.

Strap Options and Wearing Comfort

Two robust strap variants are available for different needs: a black Marathon rubber strap with a pin buckle made of 316L stainless steel for sports use, and a solid Marathon stainless steel bracelet with a folding clasp for long-lasting robustness and elegance. Both options are designed to support the functionality of the timepiece and maintain high wearing comfort even during prolonged use.

Conclusion

This watch is aimed at those looking for an uncompromising field watch: carefully selected materials, powerful HeavyDrive electronics, excellent readability, and practical features combine to form an instrument that performs equally well under pressure and in everyday life. Those who value solid technology and thoughtful details will find a reliable companion here.

Specifications

• MOVEMENT
• High-torque quartz movement, made in Switzerland
• Movement Manufacturer: ETA SA Manufacture Horlogère Suisse, Grenchen, CH
• Movement Version: ETA F07.115 HeavyDrive
• 3 jewels
• End-of-Life (EOL) indicator
• CASE
• Brushed 316L stainless steel
• Water resistant 30 ATM / 300m
• Unidirectional rotating 60-minute bezel, 120 clicks
• MaraGlo illumination of the bezel marker
• Screw-down crown
• Scratch-resistant sapphire crystal
• Diameter: 46 mm
• Lug-to-lug length: 55 mm
• Height: 18 mm
• Lug width: 22 mm
• DIAL & HANDS
• Black dial with scales 1-12 and 13-23
• Indices with MaraGlo
• Date display at 4:30 o'clock
• Hour, minute, and second hands with MaraGlo
• STRAP
• Choose your strap below
• Black Marathon rubber strap incl. pin buckle made of 316L stainless steel
• Marathon stainless steel bracelet with folding clasp