Seiko Cal. 5683 - 738

This Automatic model from 1976 features a 43mm Two-Tone case. It features a Black dial protected by a Acrylic crystal and offers 170m of water resistance. [seikata-wm-2a6e31b21d48]

Also known as: Sportsmatic

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

43mm

Case Thickness

8.0mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

170m

Dial Color

Black

Jewels

33j

Frequency

21,600 bph

Power Reserve

52 hours

Year

1976

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