Seiko Cal. 7187 - 246

The Seiko 7187-246 represents an important milestone in Seiko's 1979 lineup. With its 22mm lug width and 9.2mm profile, it sits comfortably on most wrists. [seikata-wm-6084b6414d22]

Also known as: Tuna, Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

39mm

Case Thickness

9.2mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

130m

Dial Color

Blue Sunburst

Jewels

31j

Frequency

28,800 bph

Power Reserve

57 hours

Year

1979

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