Seiko Cal. 5640 - 982

The Seiko 5640-982 represents an important milestone in Seiko's 1983 lineup. It features a Black dial protected by a Sapphire crystal and offers 170m of water resistance. [seikata-wm-7b17added226]

Also known as: Panda, Silverwave

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

43mm

Case Thickness

9.5mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

170m

Dial Color

Black

Jewels

31j

Frequency

28,800 bph

Power Reserve

48 hours

Year

1983

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