Seiko Cal. 5638 - 620

The 5638-620 is a sought-after Spring Drive piece from Seiko's golden era. With its 19mm lug width and 9.2mm profile, it sits comfortably on most wrists. [seikata-wm-5d896a0e0875]

Also known as: Flighty

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

39mm

Case Thickness

9.2mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

40m

Dial Color

Champagne

Jewels

35j

Frequency

28,800 bph

Power Reserve

51 hours

Year

1987

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