Seiko Cal. 4494 - 250

The Seiko 4494-250 represents an important milestone in Seiko's 1970 lineup. Powered by the 4494 caliber with 25j jewels beating at 21,600 bph, it delivers a 64 hours power reserve. [seikata-wm-a6b7ccd3bf5b]

Also known as: Sportsmatic

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

35mm

Case Thickness

10.3mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

170m

Dial Color

White

Jewels

25j

Frequency

21,600 bph

Power Reserve

64 hours

Year

1970

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