Seiko Cal. 5639 - 163

The Seiko 5639-163 represents an important milestone in Seiko's 1995 lineup. It features a Navy dial protected by a Mineral crystal and offers 80m of water resistance. [seikata-wm-ef371aebd3d6]

Also known as: Samurai, Helmet

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

34mm

Case Thickness

11.3mm

Lug Width

21mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

80m

Dial Color

Navy

Jewels

34j

Frequency

21,600 bph

Power Reserve

72 hours

Year

1995

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