| Description | F91W-1: A Classic Casio Digital Watch
Since its release in 1989, the F91W has been one of Casio’s most popular digital watches. With its retro look, modern functionality, and comfortable fit, the F91W has proven to be a mainstay in the digital watch world for over three decades.
- Regular timekeeping: Hour, minute, second, pm, date, day
- Daily alarm: Hourly time signal
- Auto-calendar (set at 28 days for February)
- Accuracy: Accuracy: ±30 seconds per month
- 12/24-hour format
- Case and bezel material: Resin
- Water resistance: Water Resistant
- Light: LED light
- Weight: 21 g
- Case size (L× W× H): 38.2 × 35.2 × 8.5 mm
- Power supply and battery life: Approx. battery life: 7 years on CR2016
- Stopwatch: 1/100-second stopwatch Measuring capacity: 59'59.99'' Measuring modes: Elapsed time, split time, 1st-2nd place times
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- Brand: NaviForce
- Model Number: NF9197
- Water Resistant: 3 ATM
- Crystal: Mineral glass
- Movement Partner: Japanese Seiko
- Strap Material: Genuine leather
- Dial Diameter: 46mm
- Multi-function: Dual movement display
- Feature: 30m Water Resistant, Day and Date Display, Luminous Hands
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- Brand: NaviForce
- Model Number: NF9135
- Water Resistant: 3 ATM
- Crystal: Mineral glass
- Movement Partner: Japanese Seiko
- Strap Material: Genuine leather
- Dial Diameter: 45mm
- Multi-function: Dual movement display
- Feature: 30m Water Resistant, Day and Date Display, Luminous Hands
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- Brand: NaviForce
- Model Number: NF9172L
- Water Resistant: 3 ATM
- Crystal: Mineral glass
- Movement Partner: Japanese Seiko
- Strap Material: Genuine leather
- Dial Diameter: 45mm
- Multi-function: Dual movement display
- Feature: 30m Water Resistant, Day and Date Display, Luminous Hands
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- Brand: NaviForce
- Model Number: NF9099
- Water Resistant: 3 ATM
- Plating Technique: Environmental vacuum electroplating
- Case Shape: Round
- Crystal: Reinforced mineral glass
- Movement Type: Calendar Quartz
- Caliber: AL33
- Movement Partner: Japanese Seiko
- Strap Material: Imitation leather
- Case Diameter: 45 mm
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- Brand: NaviForce
- Model Number: NF9225
- Water Resistant: 3 ATM
- Crystal: Mineral glass
- Movement Partner: Japanese Seiko
- Strap Material: Genuine leather
- Dial Diameter: 46mm
- Multi-function: Dual movement display
- Feature: 30M Water Resistant, Luminous; Date Day Dual Time Display; alarm Chronograph; Scratch-resistant
- Products include 100% new original watch * 1, warranty card * 1, instruction * 1
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| Content | Secrets to era-spanning popularity
A design concept based on the user’s perspective
High quality and affordability achieved with an original manufacturing approach
Urethane resin is employed for the case and band, and the module features a reduced number of components. To secure such high quality at an affordable price, every element of watch construction was reconsidered, including connecting the band and watch with pins rather than standard spring bars to reduce costs. The result is a global hit watch that offers both affordability and long-lasting reliability.
Simple design delivering ease of use for daily life
An easy-to-read digital display makes it easy to check the time, as well as the day of the week and date. Handy features for day-to-day life include water resistance and stopwatch, alarm, and light function. This watch delivers dependable usability and solid functionality, exuding a passion for practicality that puts the user first, all while offering outstanding cost performance.
An enduring standard
A timeless, signature style spanning the ages
Inheriting a design unchanged since its 1989 launch, this watch has maintained an identity uncompromised by the sands of time and delivers a truly timeless appeal. The simple, streamlined style, born of the quest for the essence of functional beauty, makes a great lifestyle fit for people of any age or gender. A staple fashion item, this watch has been constantly cherished by fans around the world ever since its launch.
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