Seiko Cal. 5240 - 828

The Seiko 5240-828 represents an important milestone in Seiko's 1969 lineup. With its 18mm lug width and 13.9mm profile, it sits comfortably on most wrists. [seikata-wm-748feea6cdf4]

Also known as: Baby Tuna

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

35mm

Case Thickness

13.9mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

White

Jewels

23j

Frequency

36,000 bph

Power Reserve

51 hours

Year

1969

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