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WNS-6070-4064 - Seiko - Calculator - C515-5009 - Full Front View

Case:  The rectangular case measures 34 mm across and 47 mm lug to lug. The back of the case is marked Water Resistant, Base Metal Middle, Aluminum Bezel, St. Steel Back, C515-5009 [A0] and 350166. It has a LCD display with 4 setting push buttons on the side of the case (Light and Mode on the left side, and Select Start - Stop and Set Lap-Reset on the right side). It features 16 calculator push buttons on the face of the case and is signed Seiko, Calculator Memory

Dial: LCD display with Su, Mo, Tu, We, Th, Fr, and Sa on the bottom.

Movement: Japanese quartz movement.

Strap: Speidel U.S.A. Stretch bracelet - stainless steel.

Comments: This is a rare and vintage SEIKO model C515-5009 calculator watch from the Space Age that is in excellent all around condition.  Back in the 70s and early 80s there were various calculator watches designed and manufactured by several different companies, but Seiko made very few during that era. This particular watch dates to the late 1970s. It has the LCD display with many features: Light, Mode, Start and Stop, Set Lap, and Reset Lap. It is a watch, calendar, stop watch and includes a calculator with full memory functionality.

Item ID: WNS-6070-4064




Seiko - Model C515-5009 - Very Scarce Space Age Calculator Wristwatch - (circa 1970s)

WNS-6070-4064 - Seiko - Calculator - C515-5009 - Full Left Front View

WNS-6070-4064 - Seiko - Calculator - C515-5009 - Full Right Front View

WNS-6070-4064 - Seiko - Calculator - C515-5009 - Full Front View