Seiko Cal. 5640 - 914

The Seiko 5640-914 represents an important milestone in Seiko's 1976 lineup. With its 21mm lug width and 8.3mm profile, it sits comfortably on most wrists. [seikata-wm-9be83c07a83d]

Also known as: Silverwave

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

42mm

Case Thickness

8.3mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

90m

Dial Color

Champagne

Jewels

23j

Frequency

28,800 bph

Power Reserve

49 hours

Year

1976

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