Seiko Cal. 5644 - 189

The Seiko 5644-189 represents an important milestone in Seiko's 1981 lineup. It features a Black dial protected by a Sapphire crystal and offers 40m of water resistance. [seikata-wm-6ea94f0be99f]

Also known as: Panda

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

36mm

Case Thickness

8.9mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

Black

Jewels

32j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1981

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