Seiko Cal. 6387 - 553

The 6387-553 is a sought-after Spring Drive piece from Seiko's golden era. The Coin-Edge bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-af45feebb27a]

Also known as: Helmet, UFO

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

36mm

Case Thickness

10.1mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

Champagne

Jewels

26j

Frequency

21,600 bph

Power Reserve

58 hours

Year

1970

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