Seiko Cal. 7187 - 544

The Seiko 7187-544 represents an important milestone in Seiko's 1983 lineup. With its 21mm lug width and 11.8mm profile, it sits comfortably on most wrists. [seikata-wm-a163fa992f2b]

Also known as: Tuna

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

43mm

Case Thickness

11.8mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

White

Jewels

29j

Frequency

21,600 bph

Power Reserve

58 hours

Year

1983

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