Seiko Cal. 5680 - 317

This Hand-Winding model from 1981 features a 37mm Two-Tone case. With its 20mm lug width and 15.2mm profile, it sits comfortably on most wrists. [seikata-wm-2e0bb1352e79]

Also known as: Silverwave

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

37mm

Case Thickness

15.2mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

80m

Dial Color

Navy

Jewels

23j

Frequency

21,600 bph

Power Reserve

68 hours

Year

1981

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