Seiko Cal. 5640 - 483

The Seiko 5640-483 represents an important milestone in Seiko's 1970 lineup. With its 18mm lug width and 11.7mm profile, it sits comfortably on most wrists. [seikata-wm-578cbe728dc9]

Also known as: Helmet

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

46mm

Case Thickness

11.7mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

30m

Dial Color

Champagne

Jewels

23j

Frequency

28,800 bph

Power Reserve

41 hours

Year

1970

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