Seiko Cal. 5680 - 955

This Automatic model from 1972 features a 37mm PVD Black case. The Rotating bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-c64ae199f7ec]

Also known as: Tuna

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

37mm

Case Thickness

14.8mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

120m

Dial Color

Silver

Jewels

18j

Frequency

28,800 bph

Power Reserve

65 hours

Year

1972

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