Seiko Cal. 5640 - 124

Released in 1985, the Cal. 5640 with design code 124 was part of Seiko's domestic market collection. With its 21mm lug width and 14.2mm profile, it sits comfortably on most wrists. [seikata-wm-71ad0423ec8a]

Also known as: Flighty

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

36mm

Case Thickness

14.2mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

110m

Dial Color

Blue Sunburst

Jewels

34j

Frequency

36,000 bph

Power Reserve

44 hours

Year

1985

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