Seiko Cal. 5681 - 723

The Seiko 5681-723 represents an important milestone in Seiko's 1966 lineup. It features a Cream dial protected by a Acrylic crystal and offers 140m of water resistance. [seikata-wm-a731a4e7aef6]

Also known as: Samurai, Helmet

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

35mm

Case Thickness

8.5mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

Cream

Jewels

28j

Frequency

28,800 bph

Power Reserve

70 hours

Year

1966

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