Seiko Cal. 6644 - 390

This Kinetic model from 1992 features a 42mm Titanium case. It features a White dial protected by a Hardlex crystal and offers 160m of water resistance. [seikata-wm-81aa3b4dddfa]

Also known as: Silverwave, World Timer

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

42mm

Case Thickness

9.5mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

160m

Dial Color

White

Jewels

36j

Frequency

28,800 bph

Power Reserve

60 hours

Year

1992

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