Seiko Cal. 6387 - 720

The Seiko 6387-720 represents an important milestone in Seiko's 1979 lineup. Powered by the 6387 caliber with 32j jewels beating at 36,000 bph, it delivers a 67 hours power reserve. [seikata-wm-f42f338088c7]

Also known as: Navigator

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

37mm

Case Thickness

15.6mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

110m

Dial Color

Cream

Jewels

32j

Frequency

36,000 bph

Power Reserve

67 hours

Year

1979

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