Seiko Cal. 4470 - 680

Released in 1977, the Cal. 4470 with design code 680 was part of Seiko's domestic market collection. The Bidirectional bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-e26cbbc22bca]

Also known as: Sportsmatic

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

40mm

Case Thickness

13.8mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

130m

Dial Color

White

Jewels

17j

Frequency

36,000 bph

Power Reserve

45 hours

Year

1977

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