Seiko Cal. 5681 - 166

Released in 1987, the Cal. 5681 with design code 166 was part of Seiko's domestic market collection. It features a Blue Sunburst dial protected by a Sapphire crystal and offers 150m of water resistance. [seikata-wm-cbb7c6cf0a02]

Also known as: Emperor

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

46mm

Case Thickness

9.9mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

150m

Dial Color

Blue Sunburst

Jewels

20j

Frequency

21,600 bph

Power Reserve

52 hours

Year

1987

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