Seiko Cal. 6187 - 258

The Seiko 6187-258 represents an important milestone in Seiko's 1976 lineup. Powered by the 6187 caliber with 32j jewels beating at 28,800 bph, it delivers a 51 hours power reserve. [seikata-wm-566c8bbe0633]

Also known as: Helmet, Arnie

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

43mm

Case Thickness

8.9mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Cream

Jewels

32j

Frequency

28,800 bph

Power Reserve

51 hours

Year

1976

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