Seiko Cal. 6187 - 425

The Seiko 6187-425 represents an important milestone in Seiko's 1977 lineup. With its 21mm lug width and 8.3mm profile, it sits comfortably on most wrists. [seikata-wm-6497b1d9bc03]

Also known as: Rally

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

34mm

Case Thickness

8.3mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

140m

Dial Color

Green

Jewels

25j

Frequency

21,600 bph

Power Reserve

51 hours

Year

1977

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