Seiko Cal. 5661 - 887

Released in 1985, the Cal. 5661 with design code 887 was part of Seiko's domestic market collection. It features a Blue Sunburst dial protected by a Mineral crystal and offers 70m of water resistance. [seikata-wm-df9fdbc86c2b]

Also known as: Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

34mm

Case Thickness

12.9mm

Lug Width

22mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

70m

Dial Color

Blue Sunburst

Jewels

30j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1985

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