Seiko Presage Cocktail Time ‘Grasshopper’ Open Heart Green Dial Watch SSA441J1

Items Description

The Seiko Presage Cocktail Time “Grasshopper” SSA441J1 is a mechanical wristwatch designed for enthusiasts who appreciate Japanese craftsmanship, elegant design, and the charm of an open-heart complication. Inspired by the rich green tones of Tokyo’s vibrant bar scene, this model pairs a deep green sunburst dial with a skeletonised aperture at 9 o’clock, revealing the balance wheel in motion. Powered by the automatic 4R38 calibre, it combines traditional watchmaking with a refined aesthetic suited for both formal occasions and everyday wear.

 

Housed in a 40.5mm stainless steel case, the watch offers a versatile presence on the wrist, while the see-through case back displays the self-winding movement decorated with Seiko’s characteristic striped finish. The brushed and polished surfaces of the case, along with the green dial and applied indices, reflect the series’ cocktail-inspired storytelling. This particular variant stands out for its distinctive colourway and open-heart detail, making it a distinctive choice within the Presage Cocktail Time collection.

 

Key Advantages of the Seiko Presage Cocktail Time ‘Grasshopper’ Open Heart Green Dial Watch SSA441J1

 

1. Automatic 4R38 Movement with Open-Heart Display

At the heart of this Presage model lies the automatic 4R38 calibre, a workhorse movement known for its reliability and practical features. Unlike standard dress watches, this movement includes both manual winding capability and a stop-second hand function, giving the wearer greater control over timekeeping accuracy. The open-heart aperture adds a mechanical dimension to the dial, allowing the balance wheel’s oscillation to be observed while the watch is running.

 

• Calibre: 4R38 automatic movement with manual winding capability.
• Power reserve: Approximately 41 hours on a full wind.
• Jewels: 24 jewels for reduced friction and long-term reliability.
• Stop-second function: Enables precise time setting to the second.
• Open-heart aperture: Displays the balance wheel in constant motion at 9 o’clock.

 

2. Cocktail Time Design Language with a Green Sunburst Dial

The Cocktail Time series is recognised for its distinctive dial textures inspired by classic cocktails, and the “Grasshopper” variant draws its name from the bright green tones mirrored in the dial’s sunburst finish. The surface shifts in intensity as light moves across it, offering a dynamic appearance that changes throughout the day. Applied indices and slim dauphine-style hands are polished to catch the light, ensuring legibility while maintaining an elegant silhouette against the deep green backdrop.

 

• Dial finish: Sunburst green texture reminiscent of the Grasshopper cocktail.
• Indexes: Applied polished markers for enhanced depth and readability.
• Hands: Slim dauphine hands with a mirror-polished finish.
• Opening: Skeletonised heart-shaped aperture revealing the escapement.
• Date window: Positioned at 3 o’clock for everyday practicality.

 

3. Versatile 40.5mm Stainless Steel Case and Deployment Clasp

The case is machined from stainless steel, offering durability and a balanced weight that suits a range of wrist sizes. With a diameter of 40.5mm, it sits comfortably between classic dress proportions and contemporary sport-casual sizing, making it adaptable to both tailored attire and relaxed weekend outfits. The case back is transparent, allowing the movement’s winding rotor and decorative finishes to be viewed without removing the watch.

 

• Case diameter: 40.5mm, a size that balances presence with wearability.
• Case material: Stainless steel with brushed and polished surfaces.
• Case back: See-through glass displaying the 4R38 automatic movement.
• Clasp: Deployment clasp for secure, convenient fastening.
• Water resistance: Rated for everyday splash and rain exposure.

 

4. Made for Cocktail Hours and Formal Evenings Alike

While the open-heart mechanism invites technical curiosity, the overall design remains firmly within the realm of refined dress watches. The deep green dial pairs naturally with navy, grey, and earth-toned outfits, while the polished case adds a subtle gleam under restaurant lighting. This is not a purely formal piece, however—the 40.5mm case and secure clasp allow it to transition into casual settings without appearing out of place.

 

• Style pairing: Complements suits, blazers, and smart-casual attire.
• Versatility: Works for weddings, business meetings, and dinner events.
• Comfort: The stainless steel bracelet provides a steady, balanced fit.
• Conversation piece: The open-heart display invites curiosity without being ostentatious.

 

The Seiko Presage Cocktail Time “Grasshopper” SSA441J1 is best suited for watch collectors and enthusiasts who want an automatic dress watch with a visible mechanical component and a distinctive colourway that stands apart from conventional black or silver dials. For those who enjoy the ritual of winding a mechanical movement, observing the balance wheel through the open-heart aperture, or simply wearing a Japanese-made timepiece with a recognisable design story, this model offers a well-rounded package that pairs everyday reliability with evening elegance.

Specifications of Seiko Presage Cocktail Time ‘Grasshopper’ Open Heart Green Dial Watch SSA441J1

Brand Name	SEIKO
Model number	SSA441J1
Part Number	SSA441J1
Model Year	2020
Case material	Stainless Steel
Case diameter	11 millimeters
Case Thickness	11 millimeters
Band width	22 millimeters
Bezel material	Stainless Steel
Special features	Second hand
Item weight	4.76 Ounces
Movement	Automatic
Water resistant depth	50 Meters
Display Type	Analog

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Specifications
[Brand Name ]	SEIKO
[Model number ]	SSA441J1
[Part Number ]	SSA441J1
[Model Year ]	2020
[Case material ]	Stainless Steel
[Case diameter ]	11 millimeters
[Case Thickness ]	11 millimeters
[Band width ]	22 millimeters
[Bezel material ]	Stainless Steel
[Special features ]	Second hand
[Item weight ]	4.76 Ounces
[ Movement ]	Automatic
[ Water resistant depth ]	50 Meters
[Display Type ]	Analog

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