Seiko Cal. 5644 - 587

Released in 1986, the Cal. 5644 with design code 587 was part of Seiko's domestic market collection. It features a Burgundy dial protected by a Sapphire crystal and offers 140m of water resistance. [seikata-wm-ab47ab6d3e40]

Also known as: Panda, Bellmatic

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

13.1mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

Burgundy

Jewels

31j

Frequency

21,600 bph

Power Reserve

42 hours

Year

1986

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