Seiko Cal. 6644 - 599

The Seiko 6644-599 represents an important milestone in Seiko's 1988 lineup. It features a Black dial protected by a Sapphire crystal and offers 30m of water resistance. [seikata-wm-17b19cb8b469]

Also known as: Crown

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

40mm

Case Thickness

14.2mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Black

Jewels

25j

Frequency

28,800 bph

Power Reserve

59 hours

Year

1988

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