Seiko Cal. 5648 - 496

The Seiko 5648-496 represents an important milestone in Seiko's 1981 lineup. It features a Black dial protected by a Acrylic crystal and offers 200m of water resistance. [seikata-wm-0383802b4b62]

Also known as: Navigator, Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

46mm

Case Thickness

10.0mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Black

Jewels

32j

Frequency

21,600 bph

Power Reserve

61 hours

Year

1981

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