Seiko Cal. 5639 - 986

The Seiko 5639-986 represents an important milestone in Seiko's 1998 lineup. It features a Black dial protected by a Sapphire crystal and offers 60m of water resistance. [seikata-wm-7a8d8f6f5261]

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

46mm

Case Thickness

10.6mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

Black

Jewels

27j

Frequency

28,800 bph

Power Reserve

55 hours

Year

1998

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