Seiko Cal. 5285 - 550

The Seiko 5285-550 represents an important milestone in Seiko's 1971 lineup. With its 21mm lug width and 12.4mm profile, it sits comfortably on most wrists. [seikata-wm-a4c083b24f47]

Also known as: Golden Tuna

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

37mm

Case Thickness

12.4mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

50m

Dial Color

Navy

Jewels

33j

Frequency

28,800 bph

Power Reserve

60 hours

Year

1971

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