Seiko Men's Analogue Automatic Watch with Stainless Steel
Seiko SRPH89
A modern field watch design with a vibrant green dial. Its stainless steel case houses Seiko's reliable 4R36 automatic movement, visible through an exhibition caseback.
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About this item
- Mechanical movement
Top Highlights
- Brand
- Seiko
- Model Name
- SRPH89
- Model Number
- SRPH89K1
- Department
- Men
- Item Type
- Watch
- Manufacturer
- Seiko
- Country of Origin
- Japan
- First Available
- 23 June 2022
- Release Year
- 2021
Features & Specs
- Display
- Analog
- Movement Type
- Automatic
- Calibre
- 4R36
- Power Source
- Manual Winding
- Additional Features
- Water-resistant
- Strap Type
- Steel Bracelet
- Case Material
- Stainless steel
- Case Size
- 41.2 mm
- Case Thickness
- 11.8 mm
- Lug Width
- 20 mm
- Weight
- 130 g
- Water Resistance
- 10 m
- Sport Type
- Walking
- Strap
- Stainless steel
- Clasp
- Push Button Deployment Clasp
- Closure Type
- Push-Button
- Embellishment
- Crystal
- Crystal
- Hardlex
- Dimensions
- 1.19 x 1.19 x 1.19 cm; 130.12 g
Style
- Style Name
- Bracelet
- Dial Shape
- Round
- Dial Colour
- Green
- Band Color
- Green
- Theme
- Natural
- Face Style
- Linen
Description
Seiko's Calibre 4R36 provides the mechanical heart for this timepiece, offering the convenience of both automatic and manual winding. The movement also features a hacking seconds hand, allowing for precise time-setting, and a power reserve of approximately 41 hours. An exhibition caseback offers a clear view of the balance wheel and rotor in action, a detail appreciated by enthusiasts.
The primary visual appeal comes from a deep green dial, set within a moderately sized 41.2mm stainless steel case. The case construction features a mix of brushed and polished surfaces, creating a subtle play of light. Protecting the dial is Seiko's proprietary Hardlex crystal, which offers a good balance of scratch and shatter resistance for daily wear.
This watch is fitted with a matching stainless steel bracelet that secures with a three-fold clasp. The 20mm lug width provides ample opportunity for personalisation with other straps. With a total weight of 130 grams, the watch has a reassuring presence on the wrist without feeling overly cumbersome for all-day use.
Frequently Asked Questions
Can I swim or shower whilst wearing the Seiko SRPH89K1?
The Seiko SRPH89K1 has a water resistance of 10 metres, which means it is suitable for splashes and light rain. It is not recommended for swimming, showering, or any water sports, as prolonged exposure to water or pressure changes can compromise its seals.
Is the Seiko SRPH89K1 suitable for daily sports activities?
This watch is designed for daily wear and casual use, but not specifically for rigorous sports. While its stainless steel case offers durability, the 10-metre water resistance and mechanical movement are not ideal for high-impact activities or prolonged exposure to sweat and water.
How does the automatic movement of this watch compare to a quartz watch?
The Seiko SRPH89K1 features an automatic mechanical movement, which is powered by the motion of your wrist and requires no battery. Quartz watches, on the other hand, use a battery and a crystal oscillator for timekeeping, offering higher accuracy but lacking the traditional craftsmanship of an automatic.
How often should an automatic watch like the SRPH89K1 be serviced?
Automatic watches generally benefit from a service every 3 to 5 years to ensure optimal performance and longevity. This typically involves cleaning, lubricating, and regulating the movement. Regular service helps maintain the watch's accuracy and water resistance.
What wrist size is the Seiko SRPH89K1 suitable for?
With its 41.2mm case diameter, the Seiko SRPH89K1 is generally well-suited for average to larger wrist sizes, typically ranging from 6.5 to 8 inches (16.5 to 20 cm) in circumference. Its round dial shape offers a classic fit for most wearers.
What is Hardlex crystal and how durable is it on this watch?
Hardlex crystal is a proprietary hardened mineral glass developed by Seiko, offering enhanced scratch and impact resistance compared to standard mineral glass. While not as scratch-resistant as sapphire, it provides good durability for daily use and is less prone to shattering.
Editor's take
The inclusion of the 4R36 calibre immediately defines this watch's audience. It is for the person seeking a dependable, serviceable automatic from a respected Japanese manufacturer, without the cost associated with higher-end movements. It delivers core enthusiast features like hacking, hand-winding, and a display back, making it an excellent entry point into mechanical watches.
The standout feature is the dial and case combination. The rich green dial colour provides significant character, shifting in different lighting conditions. Paired with a versatile 41.2mm Stainless Steel case, it wears comfortably on a wide range of wrists. While not as scratch-proof as sapphire, the Hardlex crystal is a practical choice that prioritises impact resistance, which is fitting for a watch with field-inspired aesthetics.
A critical point for any potential owner is the water resistance rating of just 10 metres. This specification is suitable for incidental contact with water, such as hand washing, but it is not designed for swimming or submersion. This limitation is at odds with the robust appearance of a steel sport watch, positioning it firmly as a piece for dry, terrestrial activities.
For the right owner, the SRPH89K1 is a strong proposition. It is a handsome, mechanically interesting watch for daily office or casual wear. Buyers should approach it as a stylish land-based timepiece that offers a great view of its movement, rather than an all-purpose tool watch for every environment.
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