Seiko Cal. 5660 - 947

The Seiko 5660-947 represents an important milestone in Seiko's 1987 lineup. It features a Black dial protected by a Sapphire crystal and offers 80m of water resistance. [seikata-wm-117d1032b16e]

Also known as: Sportsmatic, Sea Horse

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

38mm

Case Thickness

14.7mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

80m

Dial Color

Black

Jewels

25j

Frequency

28,800 bph

Power Reserve

52 hours

Year

1987

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