SEIKO 5 Sport SRPJ85 Olive Green Nylon Automatic Watch

Items Description

The SEIKO 5 Sport SRPJ85 is an automatic wristwatch designed for enthusiasts who value mechanical reliability and understated field-inspired styling. Utilising the dependable 4R36 automatic movement with manual winding capability, this timepiece delivers consistent accuracy and a practical 41-hour power reserve for everyday wear. Its olive green nylon strap and stainless steel case create a utilitarian aesthetic suited to both casual and outdoor settings, reinforcing the Seiko 5 Sports legacy of robust construction and accessible performance.

 

This particular SRPJ85 variant pairs a silver-tone stainless steel case measuring 36.4mm in diameter with a dark olive green nylon band, producing a compact yet purposeful profile on the wrist. The watch combines a date display with self-winding mechanics, while the 100-metre water resistance rating ensures confidence during daily activities such as hand washing, light swimming, or unexpected rain exposure. As part of the Seiko 5 Sports Field series, the SRPJ85 balances everyday practicality with the enduring appeal of mechanical watchmaking.

 

Key Advantages of the SEIKO 5 Sport SRPJ85 Olive Green Nylon Automatic Watch

 

1. Dependable Automatic Movement with Manual Winding

At the heart of the SEIKO 5 Sport SRPJ85 lies a self-winding automatic calibre that harnesses kinetic energy from natural wrist motion, eliminating the need for batteries. The movement also supports manual winding, allowing wearers to power the watch manually when it has been inactive for a period.

 

• Automatic operation: The rotor winds the mainspring through daily arm movements, keeping the watch running without user intervention.
• Manual winding option: The crown can be used to wind the movement directly, offering convenience after periods of non-wear.
• 41-hour power reserve: Once fully wound, the watch continues running for approximately 41 hours, accommodating a weekend away from the wrist.
• 24 jewels: Jewelled bearings reduce friction within the movement, supporting long-term reliability and smoother operation.

 

2. Purposeful Field-Series Design with Olive Green Nylon Strap

Designed as part of Seiko's 5 Sports Field series, the SRPJ85 adopts a rugged, tool-watch character defined by its olive green nylon strap and matte-oriented stainless steel case. This colourway reflects a military-inspired aesthetic that pairs naturally with outdoor apparel, denim, or casual workwear.

 

• Olive green nylon strap: Lightweight and quick-drying, the fabric strap offers breathable comfort during warmer conditions and contributes to the watch's utilitarian profile.
• 36.4mm stainless steel case: A versatile case diameter that suits a broad range of wrist sizes, providing a balanced presence without excessive bulk.
• Field-oriented dial layout: Clear hour markers and bold hands prioritise legibility, supporting quick time reading in varying lighting conditions.
• Fixed bezel: A simple, non-rotating bezel frames the dial, reinforcing the clean, functional appearance typical of field watches.

 

3. Built for Daily Wear with 100-Metre Water Resistance

The SEIKO 5 Sport SRPJ85 is constructed to withstand the demands of regular use, with water resistance rated at 100 metres. This level of protection makes the watch suitable for swimming, snorkelling, and a wide range of outdoor activities, while the robust case construction shields the automatic movement from everyday impacts.

 

• 100m / 330 feet rating: The watch can be worn while swimming and snorkelling, though it is not intended for scuba diving.
• Stainless steel construction: The case material offers corrosion resistance and structural integrity for long-term ownership.
• Practical date window: The date complication at the 3 o'clock position adjusts automatically once every 24 hours, simplifying daily tracking.
• Exhibition case back: A transparent rear window reveals the automatic movement in operation, allowing wearers to observe the rotor and balance wheel.

 

4. Reliable Timekeeping with Extended Power Reserve

Seiko 5 Sports models have established a reputation for consistent performance and value, and the SRPJ85 continues this tradition through its robust automatic calibre. The movement's 24-jewel construction and 41-hour power reserve provide dependable timekeeping for daily routines, while the manual winding function ensures the watch remains ready even after periods of inactivity.

 

• Consistent accuracy: The automatic movement regulates timekeeping through a balance wheel and hairspring, supported by Seiko's established manufacturing standards.
• Hack function: The seconds hand stops when the crown is pulled out, enabling precise time setting to the second.
• Self-sustaining power: As long as the watch is worn regularly, the movement remains wound through normal wrist movement.
• Low maintenance: Unlike quartz watches, this automatic timepiece never requires battery replacement, reducing long-term upkeep.

 

The SEIKO 5 Sport SRPJ85 Olive Green Nylon Automatic Watch is best suited for watch wearers who appreciate mechanical craftsmanship and want a dependable, casual timepiece for daily use. For those who favour outdoor aesthetics, value automatic technology, or seek an accessible entry into self-winding watches, the SRPJ85 offers a practical and stylish option that requires no batteries and delivers enduring performance.

Specifications of SEIKO 5 Sport SRPJ85 Olive Green Nylon Automatic Watch

Brand Name	SEIKO
Model number	SRPJ85
Part Number	SRPJ85
Item Shape	Round
Dial window material type	Curved Hardlex
Clasp	Buckle
Case material	Stainless Steel
Case diameter	36 millimeters
Case Thickness	12 millimeters
Band Material	Nylon
Band width	18 millimeters
Band Color	Green
Dial color	Black
Bezel material	Stainless Steel
Bezel function	Stationary
Calendar	Day-Date
Special features	Arabic Numerals, High Contrast Hands, Glow In The Dark
Movement	Japanese Automatic
Water resistant depth	100 Meters
Display Type	Analog

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Specifications
[Brand Name ]	SEIKO
[Model number ]	SRPJ85
[Part Number ]	SRPJ85
[Item Shape ]	Round
[ Dial window material type ]	Curved Hardlex
[Clasp ]	Buckle
[Case material ]	Stainless Steel
[Case diameter ]	36 millimeters
[Case Thickness ]	12 millimeters
[Band Material ]	Nylon
[Band width ]	18 millimeters
[Band Color ]	Green
[Dial color ]	Black
[Bezel material ]	Stainless Steel
[ Bezel function ]	Stationary
[ Calendar ]	Day-Date
[Special features ]	Arabic Numerals, High Contrast Hands, Glow In The Dark
[ Movement ]	Japanese Automatic
[ Water resistant depth ]	100 Meters
[Display Type ]	Analog

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