Seiko Cal. 5681 - 158

The Seiko 5681-158 represents an important milestone in Seiko's 1990 lineup. It features a Blue Sunburst dial protected by a Hardlex crystal and offers 120m of water resistance. [seikata-wm-0019cd4b7f92]

Also known as: Bullhead, Golden Tuna

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

40mm

Case Thickness

10.3mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

120m

Dial Color

Blue Sunburst

Jewels

17j

Frequency

36,000 bph

Power Reserve

57 hours

Year

1990

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