Seiko Cal. 5648 - 881

The Seiko 5648-881 represents an important milestone in Seiko's 1998 lineup. It features a Black dial protected by a Hardlex crystal and offers 150m of water resistance. [seikata-wm-eae2bcc7a6d3]

Also known as: Sumo, Goldfeather

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

36mm

Case Thickness

12.2mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

150m

Dial Color

Black

Jewels

28j

Frequency

28,800 bph

Power Reserve

57 hours

Year

1998

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