Seiko Cal. 5644 - 326

The Seiko 5644-326 represents an important milestone in Seiko's 1982 lineup. It features a Navy dial protected by a Sapphire crystal and offers 30m of water resistance. [seikata-wm-44886c53fb4a]

Also known as: Emperor

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

42mm

Case Thickness

12.7mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

30m

Dial Color

Navy

Jewels

35j

Frequency

21,600 bph

Power Reserve

65 hours

Year

1982

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