Seiko Cal. 6387 - 256

The Seiko 6387-256 represents an important milestone in Seiko's 1998 lineup. Powered by the 6387 caliber with 21j jewels beating at 28,800 bph, it delivers a 71 hours power reserve. [seikata-wm-cb6e42ec94e6]

Also known as: Turtle, Monster

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

36mm

Case Thickness

11.1mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

White

Jewels

21j

Frequency

28,800 bph

Power Reserve

71 hours

Year

1998

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