Seiko Cal. 4497 - 990

The 4497-990 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 4497 caliber with 19j jewels beating at 36,000 bph, it delivers a 46 hours power reserve. [seikata-wm-d9f4b5f65750]

Also known as: Sportsmatic, Flighty

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

8.4mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Navy

Jewels

19j

Frequency

36,000 bph

Power Reserve

46 hours

Year

1965

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