Seiko Cal. 5680 - 931

The Seiko 5680-931 represents an important milestone in Seiko's 1978 lineup. It features a Champagne dial protected by a Sapphire crystal and offers 160m of water resistance. [seikata-wm-26b7bb6aebab]

Also known as: Turtle, Samurai

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

9.8mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Champagne

Jewels

23j

Frequency

21,600 bph

Power Reserve

67 hours

Year

1978

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