Seiko Cal. 6644 - 359

The Seiko 6644-359 represents an important milestone in Seiko's 1980 lineup. It features a Burgundy dial protected by a Acrylic crystal and offers 110m of water resistance. [seikata-wm-12263d4f01e9]

Also known as: Turtle

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

34mm

Case Thickness

15.6mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

110m

Dial Color

Burgundy

Jewels

32j

Frequency

21,600 bph

Power Reserve

70 hours

Year

1980

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