Seiko Cal. 6680 - 442

This Spring Drive model from 1983 features a 45mm Two-Tone case. The Bidirectional bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-5f1f955f837b]

Also known as: Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

45mm

Case Thickness

10.8mm

Lug Width

18mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

150m

Dial Color

Black

Jewels

18j

Frequency

36,000 bph

Power Reserve

71 hours

Year

1983

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