Seiko Cal. 6387 - 855

The Seiko 6387-855 represents an important milestone in Seiko's 1969 lineup. Powered by the 6387 caliber with 19j jewels beating at 28,800 bph, it delivers a 36 hours power reserve. [seikata-wm-a99ca4916f27]

Also known as: Navigator

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

14.7mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Blue Sunburst

Jewels

19j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1969

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