Seiko Cal. 5284 - 671

The Seiko 5284-671 represents an important milestone in Seiko's 1977 lineup. With its 20mm lug width and 15.4mm profile, it sits comfortably on most wrists. [seikata-wm-932416c395c5]

Also known as: Silverwave

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

37mm

Case Thickness

15.4mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

130m

Dial Color

Green

Jewels

30j

Frequency

21,600 bph

Power Reserve

59 hours

Year

1977

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