Seiko Cal. 6387 - 521

The Seiko 6387-521 represents an important milestone in Seiko's 1995 lineup. Powered by the 6387 caliber with 21j jewels beating at 21,600 bph, it delivers a 62 hours power reserve. [seikata-wm-d056064400fb]

Also known as: Navigator, Sea Horse

Specifications

Movement

Solar

Case Material

Titanium

Case Width

44mm

Case Thickness

13.4mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

90m

Dial Color

Silver

Jewels

21j

Frequency

21,600 bph

Power Reserve

62 hours

Year

1995

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