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Built as a purpose-driven professional dive watch, the Marathon Jumbo Diver's Quartz, commonly known as the JSAR, combines oversized military tool-watch proportions with a high-torque Swiss quartz movement and substantial 300 meter water resistance.
Reference WW194018SS-0130 features a large 46 mm brushed 316L stainless steel case, a deeply knurled unidirectional rotating dive bezel, screw-down crown, sapphire crystal, and highly legible military-style dial architecture. Marathon developed the Search and Rescue series around demanding professional and military use, with the JSAR occupying the largest size in the lineup.
The watch is powered by the ETA F07.115 HeavyDrive, a high-torque Swiss quartz movement designed to reliably drive the JSAR's substantial hands while providing a practical date display and highly accurate timekeeping.
At 46 mm in diameter, approximately 17.5 mm thick, and 55 mm lug-to-lug, the JSAR has considerable wrist presence. Its 22 mm lug width allows straightforward strap changes, and this example includes both the original Marathon rubber strap and an additional NATO-style strap. Current Marathon JSAR specifications list a brushed 316L steel case, sapphire crystal, screw-down crown, unidirectional 60-minute bezel, and 30 ATM water-resistance rating.
This example is offered in near mint pre owned condition with only light surface swirling and minor scuffing consistent with limited previous wear. The watch remains exceptionally clean overall, while the included box and accessories are in mint condition.
Marathon Jumbo Diver's Quartz
JSAR / Jumbo Search and Rescue
Reference WW194018SS-0130
Serial / identification numbers 38953041 / 02826
ETA F07.115 HeavyDrive quartz movement
Swiss quartz movement
High-torque movement architecture
Date display
Central hours, minutes, and seconds
46 mm case diameter
Approximately 17.5 mm case thickness
Approximately 55 mm lug-to-lug
22 mm lug width
316L stainless steel case
Brushed case finish
Unidirectional rotating dive bezel
60-minute bezel scale
Screw-down crown
Sapphire crystal
300 meter / 30 ATM factory water-resistance rating
Military-inspired high-legibility dial
Luminous hour markers and hands
Original Marathon rubber strap included
Additional NATO-style strap included
Original presentation box included
Service history unknown
This watch is in near mint pre owned condition with only minor evidence of previous wear.
The brushed stainless steel case shows light surface swirling and minor scuffing consistent with careful and limited use. No significant dents, deep scratches, or impact damage are evident from the supplied inspection photographs.
The bezel remains very well presented with crisp markings and no major visible damage. The sapphire crystal appears clear and free from notable scratches or chips.
The dial, hands, luminous elements, and date display remain exceptionally clean and well presented.
The original rubber strap is included and remains in very good overall condition. An additional NATO-style strap is also included.
The watch is presented in operating condition at the time of inspection, with crown, time-setting, date-setting, and quartz timekeeping functions operational.
The included box and accessories are in mint overall condition.
Service history is unknown.
Built as a purpose-driven professional dive watch, the Marathon Jumbo Diver's Quartz, commonly known as the JSAR, combines oversized military tool-watch proportions with a high-torque Swiss quartz movement and substantial 300 meter water resistance.
Reference WW194018SS-0130 features a large 46 mm brushed 316L stainless steel case, a deeply knurled unidirectional rotating dive bezel, screw-down crown, sapphire crystal, and highly legible military-style dial architecture. Marathon developed the Search and Rescue series around demanding professional and military use, with the JSAR occupying the largest size in the lineup.
The watch is powered by the ETA F07.115 HeavyDrive, a high-torque Swiss quartz movement designed to reliably drive the JSAR's substantial hands while providing a practical date display and highly accurate timekeeping.
At 46 mm in diameter, approximately 17.5 mm thick, and 55 mm lug-to-lug, the JSAR has considerable wrist presence. Its 22 mm lug width allows straightforward strap changes, and this example includes both the original Marathon rubber strap and an additional NATO-style strap. Current Marathon JSAR specifications list a brushed 316L steel case, sapphire crystal, screw-down crown, unidirectional 60-minute bezel, and 30 ATM water-resistance rating.
This example is offered in near mint pre owned condition with only light surface swirling and minor scuffing consistent with limited previous wear. The watch remains exceptionally clean overall, while the included box and accessories are in mint condition.
Marathon Jumbo Diver's Quartz
JSAR / Jumbo Search and Rescue
Reference WW194018SS-0130
Serial / identification numbers 38953041 / 02826
ETA F07.115 HeavyDrive quartz movement
Swiss quartz movement
High-torque movement architecture
Date display
Central hours, minutes, and seconds
46 mm case diameter
Approximately 17.5 mm case thickness
Approximately 55 mm lug-to-lug
22 mm lug width
316L stainless steel case
Brushed case finish
Unidirectional rotating dive bezel
60-minute bezel scale
Screw-down crown
Sapphire crystal
300 meter / 30 ATM factory water-resistance rating
Military-inspired high-legibility dial
Luminous hour markers and hands
Original Marathon rubber strap included
Additional NATO-style strap included
Original presentation box included
Service history unknown
This watch is in near mint pre owned condition with only minor evidence of previous wear.
The brushed stainless steel case shows light surface swirling and minor scuffing consistent with careful and limited use. No significant dents, deep scratches, or impact damage are evident from the supplied inspection photographs.
The bezel remains very well presented with crisp markings and no major visible damage. The sapphire crystal appears clear and free from notable scratches or chips.
The dial, hands, luminous elements, and date display remain exceptionally clean and well presented.
The original rubber strap is included and remains in very good overall condition. An additional NATO-style strap is also included.
The watch is presented in operating condition at the time of inspection, with crown, time-setting, date-setting, and quartz timekeeping functions operational.
The included box and accessories are in mint overall condition.
Service history is unknown.
