Seiko Cal. 6187 - 606

The Seiko 6187-606 represents an important milestone in Seiko's 1978 lineup. With its 21mm lug width and 9.4mm profile, it sits comfortably on most wrists. [seikata-wm-13261da6e7fa]

Also known as: Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

36mm

Case Thickness

9.4mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Silver

Jewels

32j

Frequency

21,600 bph

Power Reserve

38 hours

Year

1978

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