Seiko Cal. 5644 - 596

The Seiko 5644-596 represents an important milestone in Seiko's 1989 lineup. It features a Burgundy dial protected by a Sapphire crystal and offers 40m of water resistance. [seikata-wm-fd2952d1ae18]

Also known as: Helmet, Crown

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

12.8mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

40m

Dial Color

Burgundy

Jewels

29j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1989

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