Seiko Men's SNK621K Automatic Stainless Steel Watch

4.00 (245)
Best price today
$239
▲ 9.13%
Best
amazon.com
4.00 (245)
In stock
$239
↑ 9.13%
Prices last updated Feb 05, 2026

Highlights

  • Automatic movement with 21 jewels - No battery needed, powered by wrist motion.
  • Durable stainless steel case and band - Ensures long-lasting wear and timeless style.
  • Hardlex crystal protects the dial - Scratch-resistant and clear visibility.
  • Day-date calendar feature - Keeps you organized and on time.
  • Water resistant up to 99 feet - Suitable for everyday splashes and rain.

Description

The Seiko Men's SNK621K Automatic Stainless Steel Watch is a timeless piece that combines precision engineering with classic style. Designed for the modern man, this watch is perfect for both casual and formal occasions. The round case, crafted from durable stainless steel, measures 37 millimeters in diameter and 11 millimeters in thickness, providing a comfortable fit for any wrist size. Its elegant silver-toned band, also made of stainless steel, features a push button foldover clasp with safety, ensuring a secure and adjustable fit. The watch face is protected by a Hardlex crystal, known for its scratch-resistant properties, and showcases a sophisticated gray dial. Silver-tone hands and hour markers, accompanied by luminous accents, allow for easy readability in various lighting conditions. The dial also features Arabic numerals and a day-date calendar at the 3 o'clock position, adding practicality to its design. Powered by a precise 21 Jewel Japanese Automatic movement, this watch eliminates the need for batteries, using the natural motion of the wearer's wrist to keep time accurately. The exhibition case back offers a glimpse into the intricate workings of its mechanical movement, a feature that will delight watch enthusiasts. Water resistant up to 99 feet (30 meters), the Seiko SNK621K can withstand rain and splashes, making it suitable for everyday wear. However, it is not recommended for showering or swimming. This watch, first available in 2009 and manufactured in Japan, continues Seiko's legacy of producing high-quality, reliable timepieces that stand the test of time. Whether you're adding to your collection or purchasing your first automatic watch, the Seiko Men's SNK621K is a smart choice that combines functionality with style.

Specifications

Product Dimensions 5.91 x 5.91 x 5.91 inches; 4.59 ounces
Item Model Number SNK621K
Department Mens
Batteries 1 Product Specific batteries required. (included)
Date First Available May 4, 2009
Manufacturer Seiko
Best Sellers Rank #4,387 in Men's Wrist Watches
Customer Reviews 4.1 4.1 out of 5 stars
Brand Or Seller Or Collection Name Seiko
Model Number SNK621K
Part Number SNK621K
Item Shape Round
Dial Window Material Type Hardlex
Display Type Analog
Clasp Push Button Foldover Clasp With Safety
Case Material Stainless Steel
Case Diameter 37 Millimeters
Case Thickness 11 Millimeters
Band Material Stainless Steel
Band Size Men's Standard
Band Width 20 millimeters
Band Color Silver
Dial Color Gray
Bezel Material Stainless Steel
Bezel Function Stationary
Calendar Day-Date
Special Features Water Resistant
Item Weight 4.59 ounces
Movement Mechanical (automatic)
Water Resistance Depth 3 ATM, 30 meters, 99 feet
Brand Seiko
Model Year 2017
Is Discontinued By Manufacturer No
Product Warranty For warranty information about this product, please click here

Price history

Reviews

No user reviews yet. Write first.


Best Deals


Invicta Men's Pro Diver 46mm Stainless Steel Quartz Watch - Model 46901
Invicta
Invicta Men's Pro Diver 46mm Stainless Steel Quartz Watch - Model 46901
(4)
Stainless Steel | Mens
$29.99
Invicta Men's 0929 Anatomic Subaqua Watch
Invicta
Invicta Men's 0929 Anatomic Subaqua Watch
(10)
Plastic
$78.89
Discover the INVICTA Angel Lady 19.50mm Stainless Steel Watch
Invicta
Discover the INVICTA Angel Lady 19.50mm Stainless Steel Watch
(77)
Stainless Steel | Lady
$72 $24.99
Citizen Men's Eco-Drive Weekender Sport Casual, Black Stainless Steel Bracelet Watch, Chronograph
Citizen
Citizen Men's Eco-Drive Weekender Sport Casual, Black Stainless Steel Bracelet Watch, Chronograph
(145)
Stainless Steel | Mens
$206.09 $206.07
Timex Women's Hailey 24mm Watch - Brown Strap Gold-Tone Dial
Timex
Timex Women's Hailey 24mm Watch - Brown Strap Gold-Tone Dial
(7)
Womens | Brass
$51.67
Invicta Men's 14875 Specialty Chronograph Black Textured Dial Stainless Steel Watch
Invicta
Invicta Men's 14875 Specialty Chronograph Black Textured Dial Stainless Steel Watch
(925)
Mens
$119.9 $39.99
Invicta Mens Pro Diver Quartz Watch, Blue, Model 28002
Invicta
Invicta Mens Pro Diver Quartz Watch, Blue, Model 28002
(82)
Stainless Steel | Mens
$54.99
INVICTA Wildflower Lady 32mm Stainless Steel Gold + Steel Black Dial PC21J Quartz
Invicta
INVICTA Wildflower Lady 32mm Stainless Steel Gold + Steel Black Dial PC21J Quartz
(6)
Stainless Steel | Lady
$29.99
Timex Women's Easy Reader 25mm Watch – Silver-Tone Case with Two-Tone Expansion Band
Timex
Timex Women's Easy Reader 25mm Watch – Silver-Tone Case with Two-Tone Expansion Band
(5190)
Womens | Brass
$59.66 $49.92
Timex Women's TW2R36100 Metropolitan Skyline Gold-Tone Stainless Steel Mesh Bracelet Watch
Timex
Timex Women's TW2R36100 Metropolitan Skyline Gold-Tone Stainless Steel Mesh Bracelet Watch
(579)
Womens | Brass
$41.77
Invicta Pro Diver Men's Quartz Movement Stainless Steel Watch - 37229
Invicta
Invicta Pro Diver Men's Quartz Movement Stainless Steel Watch - 37229
(29)
Stainless Steel | Mens
$139.2 $93.49
Timex Men's Collegiate Gamer 42mm Watch – Washington Cougars
Timex
Timex Men's Collegiate Gamer 42mm Watch – Washington Cougars
(215)
Mens | Brass
$69.95 $64.95
Tissot Women's Chemin des Tourelles Powermatic 80 34 mm Automatic Watch
Tissot
Tissot Women's Chemin des Tourelles Powermatic 80 34 mm Automatic Watch
(2)
Stainless Steel | Womens
$850 $450
Invicta Men's 17044 Pro Diver Analog Display Japanese Automatic Silver Watch
Invicta
Invicta Men's 17044 Pro Diver Analog Display Japanese Automatic Silver Watch
(20295)
Stainless Steel | Mens
$196.47 $104.49
Invicta Women's 12527 Pro-Diver 18k Gold Ion-Plated Stainless Steel and Champagne Dial Bracelet Watch
Invicta
Invicta Women's 12527 Pro-Diver 18k Gold Ion-Plated Stainless Steel and Champagne Dial Bracelet Watch
(1847)
Stainless Steel | Womens
$34.99
Invicta Specialty Stainless Steel Men's Quartz Watch - 45mm, Silver/Blue
Invicta
Invicta Specialty Stainless Steel Men's Quartz Watch - 45mm, Silver/Blue
(69)
Stainless Steel | Mens
$108 $65.99
Invicta Pro Diver Men's 43mm Stainless Steel Watch - Model 47176
Invicta
Invicta Pro Diver Men's 43mm Stainless Steel Watch - Model 47176
(45)
Stainless Steel | Mens
$43.99
Invicta Men's 22785 Speedway Analog Display Quartz Black Watch
Invicta
Invicta Men's 22785 Speedway Analog Display Quartz Black Watch
(871)
Mens
$69.9
Timex Men's Expedition North Traprock Solar 40mm Eco-Friendly Watch
Timex
Timex Men's Expedition North Traprock Solar 40mm Eco-Friendly Watch
(109)
Mens | Ceramic
$52.46
Invicta Men's 14398 Angel Watch - A Perfect Blend of Elegance and Functionality
Invicta
Invicta Men's 14398 Angel Watch - A Perfect Blend of Elegance and Functionality
(3248)
Stainless Steel | Womens
$67
Best price $239.00
See offers