Seiko Cal. 5644 - 518

The Seiko 5644-518 represents an important milestone in Seiko's 1985 lineup. It features a Black dial protected by a Acrylic crystal and offers 120m of water resistance. [seikata-wm-e732be788244]

Also known as: World Timer

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

38mm

Case Thickness

11.4mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

120m

Dial Color

Black

Jewels

29j

Frequency

36,000 bph

Power Reserve

48 hours

Year

1985

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