Seiko Cal. 6187 - 487

The 6187-487 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6187 caliber with 35j jewels beating at 21,600 bph, it delivers a 66 hours power reserve. [seikata-wm-cb811d150cb9]

Also known as: Goldfeather, Navigator

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

46mm

Case Thickness

10.8mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Blue Sunburst

Jewels

35j

Frequency

21,600 bph

Power Reserve

66 hours

Year

1983

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