Seiko Cal. 6387 - 710

The 6387-710 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 6387 caliber with 28j jewels beating at 21,600 bph, it delivers a 61 hours power reserve. [seikata-wm-dd5378fc676c]

Also known as: Crown, Flighty

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

13.7mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Cream

Jewels

28j

Frequency

21,600 bph

Power Reserve

61 hours

Year

1979

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