Seiko Cal. 5640 - 127

The Seiko 5640-127 represents an important milestone in Seiko's 1970 lineup. With its 19mm lug width and 11.8mm profile, it sits comfortably on most wrists. [seikata-wm-ad5faabdeb4b]

Also known as: Panda, Goldfeather

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

11.8mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

200m

Dial Color

Champagne

Jewels

29j

Frequency

28,800 bph

Power Reserve

54 hours

Year

1970

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