Seiko Cal. 4470 - 817

The Seiko 4470-817 represents an important milestone in Seiko's 1997 lineup. Powered by the 4470 caliber with 21j jewels beating at 21,600 bph, it delivers a 51 hours power reserve. [seikata-wm-318dcc753ee4]

Also known as: Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

39mm

Case Thickness

9.4mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

White

Jewels

21j

Frequency

21,600 bph

Power Reserve

51 hours

Year

1997

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