Seiko Cal. 5644 - 197

This Kinetic model from 1987 features a 38mm Hardlex-Coated Steel case. It features a Blue Sunburst dial protected by a Sapphire crystal and offers 180m of water resistance. [seikata-wm-4f7fbaf2a4f9]

Also known as: Bullhead, Sportsmatic

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

9.8mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

Blue Sunburst

Jewels

25j

Frequency

36,000 bph

Power Reserve

62 hours

Year

1987

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