Seiko Cal. 5287 - 678

The Seiko 5287-678 represents an important milestone in Seiko's 1977 lineup. With its 20mm lug width and 15.9mm profile, it sits comfortably on most wrists. [seikata-wm-afa2c01f6b48]

Also known as: Sportsmatic, Bellmatic

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

46mm

Case Thickness

15.9mm

Lug Width

20mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

90m

Dial Color

Champagne

Jewels

17j

Frequency

36,000 bph

Power Reserve

43 hours

Year

1977

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