Seiko Cal. 5677 - 998

The Seiko 5677-998 represents an important milestone in Seiko's 1991 lineup. It features a Cream dial protected by a Hardlex crystal and offers 100m of water resistance. [seikata-wm-4290d861557a]

Also known as: Silverwave, Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

43mm

Case Thickness

12.6mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

100m

Dial Color

Cream

Jewels

20j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1991

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