Seiko Cal. 7028 - 554

The Seiko 7028-554 represents an important milestone in Seiko's 1987 lineup. With its 18mm lug width and 15.2mm profile, it sits comfortably on most wrists. [seikata-wm-97780f20561f]

Also known as: Baby Tuna

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

38mm

Case Thickness

15.2mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

150m

Dial Color

White

Jewels

33j

Frequency

36,000 bph

Power Reserve

57 hours

Year

1987

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