Description: Seiko Speedmaster 7a28-7010 Quartz First Analog Chronograph in World 1982DescriptionWatch Type:Quartz Analog ChronographMovement:Seiko Caliber 7A28 (15 Jewels, 4 Stepping Motor)Production:SeikoSize:40mm × 34mm x 8mm (1.6inch × 1.3inch × 0.3inch) ※Except CrownLug Width : 20mm(0.8inch)Original Bracelet Product year:1982Overhaul:NoDetail Design features:(1)Lumed hour markers (including a double marker at 12) (2)The internal tachymeter ring with graduations from 500-60 units per hour.(3)SEIKO CHRONOGRAPH QUARTZ printed in 3 lines at 12 o’clock (4)Seamless design beltThe Seiko Speedmaster 7a28-7010 is the world's first analog chronograph. The Seiko Calibre 7A28 was highly innovative in a market where LCD watches were the norm in 1980. The Seiko Calibre 7A28 was highly innovative in a market dominated by LCD watches in 1980. No one thought it was possible to make an analog chronograph with quartz. The Seiko Caliber 7A28 is a full metal construction. It has full metal gears, 15 jewels, and four stepper motors.Comparison with mechanical chronographs of the time: (1) improved long-term measurement accuracy, (2) realization of measurement units of less than one second, (3) inclusion of a split function, (4) improved durability, and (5) improved serviceability. Improved serviceability and repairabilityComes with seiko display box and warranty paperConditionFor a watch that was manufactured 40 years ago, it is relatively well-preserved.(See Picture)The chronograph is working. Start-Stop, split timer and Reset is working.Watch is all original including the orginal bracelet. Comes with a seiko display boxThere are light scratches on the glass and case.I will include a new mineral glass for replacement with this watch for future replacement.
Price: 550 CAD
Location: Vancouver, BC
End Time: 2024-12-03T04:43:53.000Z
Shipping Cost: 8.62 CAD
Product Images
Item Specifics
Return shipping will be paid by: Seller
Returns Accepted: Returns Accepted
Item must be returned within: 60 Days
Bezel Color: Silver
Number of Jewels: 15 Jewels
Indices: Square Indexes
Year Manufactured: 1982
Case Thickness: 8mm
Band/Strap: Bracelet
Vintage: Yes
Case Color: Silver
Department: Men
Caseback: Screwback
Bezel Type: Smooth
Lug Width: 20mm
Watch Shape: Round
Style: Classic
Features: Chronograph
Case Size: 34mm
Case Material: Stainless Steel
Handmade: No
Movement: Quartz
Water Resistance: 50 m (5 ATM)
With Papers: No
Reference Number: 7a28-7010
Brand: Seiko
Type: Wristwatch
Band Color: Silver
Customized: No
Band Material: Stainless Steel
Dial Color: White
Model: Speedmaster
With Original Box/Packaging: No
Case Finish: Brushed
With Manual/Booklet: No
Country/Region of Manufacture: Japan
Display: Analog