Seiko Cal. 6387 - 256

Seiko 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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