Seiko Cal. 5639 - 396

The Seiko 5639-396 represents an important milestone in Seiko's 1984 lineup. Powered by the 5639 caliber with 29j jewels beating at 28,800 bph, it delivers a 68 hours power reserve. [seikata-wm-426b1bf0dc62]

Also known as: Navigator

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

34mm

Case Thickness

10.2mm

Lug Width

18mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

30m

Dial Color

Blue Sunburst

Jewels

29j

Frequency

28,800 bph

Power Reserve

68 hours

Year

1984

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