Seiko Prospex Automatik Diver's SRP773K1 Automatic Mens Watch 200m Water-Resistant

Items Description

The Seiko Prospex Automatik Diver's SRP773K1 Automatic Mens Watch 200m Water-Resistant is a robust mechanical dive watch designed for underwater enthusiasts and collectors who value heritage-inspired tool watch design. Part of the iconic "Turtle" family, this timepiece revives the beloved 1970s cushion-shaped case silhouette that has become a cornerstone of Seiko's dive watch legacy. With its 45mm stainless steel case and blue dial, the SRP773K1 bridges vintage charm with contemporary reliability, making it equally at home on a dive excursion or at a casual weekend gathering.

 

At the heart of this watch lies the in-house Caliber 4R36 automatic movement, a workhorse known for its durability and practical features including hand-winding capability and a hacking seconds function. The deep blue dial is protected by a Hardlex crystal, while the unidirectional rotating bezel with a 60-minute scale provides essential timing functionality for divers. With 200 metres of water resistance, the SRP773K1 exceeds the ISO standards required for professional dive watches, offering genuine capability beneath the surface without sacrificing everyday wearability.

 

Key Advantages of the Seiko Prospex Automatik Diver's SRP773K1 Automatic Mens Watch 200m Water-Resistant

 

1. Reliable Automatic Movement with Practical Functions

The Seiko Prospex SRP773K1 is powered by the Caliber 4R36, an automatic movement that has earned a strong reputation among watch enthusiasts for its robustness and ease of service. Unlike purely automatic calibers, the 4R36 can also be wound manually and features a hacking function that stops the seconds hand for precise time setting. This combination of features makes the watch dependable for daily wear while offering the convenience of quick accuracy adjustments.

 

• Movement: Seiko Caliber 4R36 automatic with manual winding capability.
• Power Reserve: Approximately 41 hours when fully wound.
• Frequency: 21,600 vibrations per hour (6 beats per second).
• Jewels: 24 jewels for reduced friction and long-term reliability.
• Hacking Function: Seconds hand halts for precise time synchronization.

 

2. 200m Water Resistance and Dive-Ready Construction

Engineered for serious underwater use, the SRP773K1 delivers a water resistance rating of 200 metres, meeting the ISO 6425 standard for dive watches. The screw-down crown and case back work together with the solid stainless steel case to create a sealed environment that protects the movement from water ingress. The unidirectional rotating bezel ensures that elapsed dive time can be read accurately and prevents accidental counter-clockwise rotation that could lead to incorrect decompression calculations.

 

• Water Resistance: 200 metres (20 ATM), suitable for recreational diving.
• Bezel: Unidirectional rotating bezel with a 60-minute dive scale.
• Crown: Screw-down crown for enhanced water protection.
• Case Back: Screw-down case back with solid construction.
• Crystal: Hardlex glass with good impact resistance.

 

3. Distinctive Cushion-Shaped Turtle Case Design

The 45mm case of the SRP773K1 follows the celebrated "Turtle" profile, first introduced by Seiko in the 1970s. The rounded cushion shape with integrated crown guards gives the watch its distinctive appearance while offering practical benefits, including improved water resistance and a comfortable fit on a variety of wrist sizes. Despite its substantial diameter, the case wears smaller than its dimensions suggest, thanks to the downward-curving lugs that hug the wrist securely. The blue dial features large luminous hour markers and hands, coated with Seiko's Lumibrite material for excellent visibility in dark underwater environments.

 

• Case Diameter: 45.0 mm, measured across the cushion-shaped case.
• Dial: Blue dial with luminous hour markers and hands.
• Lume: Lumibrite coating on hands and markers for low-light readability.
• Bracelet: Stainless steel bracelet with solid links and a secure clasp.
• Case Thickness: Approximately 14 mm, proportional to its dive-focused design.

 

4. Day-Date Complication for Everyday Practicality

Beyond its dive-oriented capabilities, the SRP773K1 includes a day-date display positioned at the 3 o'clock aperture, adding everyday usefulness to the watch's tool-focused character. The day window offers bilingual options, typically displaying the day in English and a second language depending on market versions, while the date window provides quick reference at a glance. This practical complication, combined with the automatic movement, ensures the watch functions effectively as a daily wearer when not submerged. The quickset day and date features allow for rapid adjustment, and the crown positions are clearly defined for easy operation.

 

• Calendar: Day and date window at 3 o'clock position.
• Quickset Date: Date can be adjusted directly via the crown.
• Quickset Day: Day can be set independently with a separate crown position.
• Language Options: Bilingual day display, depending on regional configuration.

 

The Seiko Prospex Automatik Diver's SRP773K1 Automatic Mens Watch 200m Water-Resistant combines a respected automatic caliber with a historically significant design, delivering a dive watch that performs well above its price segment. The blend of vintage-inspired aesthetics and modern engineering makes it a versatile addition to any collection, suitable for divers, travelers, and everyday wearers who appreciate mechanical craftsmanship. For those seeking a dependable automatic watch with genuine dive credentials, this Seiko model offers a compelling balance of character, durability, and practical functionality.

Specifications of Seiko Prospex Automatik Diver's SRP773K1 Automatic Mens Watch 200m Water-Resistant

Brand Name	Seiko
Model number	SRP773K1
Part Number	SRP773K1
Model Year	2018
Item Shape	Round
Dial window material type	Mineral
Clasp	Deployment Clasp
Case material	Stainless Steel
Case diameter	44 millimeters
Case Thickness	13 millimeters
Band Material	Stainless Steel
Band length	Men's Standard
Band width	20 millimeters
Band Color	Silver
Dial color	Blue
Bezel material	Stainless steel
Bezel function	Unidirectional
Calendar	Day-Date
Movement	Automatic
Water resistant depth	200 Meters
Display Type	Analog

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Specifications
[Brand Name ]	Seiko
[Model number ]	SRP773K1
[Part Number ]	SRP773K1
[Model Year ]	2018
[Item Shape ]	Round
[ Dial window material type ]	Mineral
[Clasp ]	Deployment Clasp
[Case material ]	Stainless Steel
[Case diameter ]	44 millimeters
[Case Thickness ]	13 millimeters
[Band Material ]	Stainless Steel
[Band length ]	Men's Standard
[Band width ]	20 millimeters
[Band Color ]	Silver
[Dial color ]	Blue
[Bezel material ]	Stainless steel
[ Bezel function ]	Unidirectional
[ Calendar ]	Day-Date
[ Movement ]	Automatic
[ Water resistant depth ]	200 Meters
[Display Type ]	Analog

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