Seiko Cal. 5691 - 257

This Quartz model from 1975 features a 43mm PVD Black case. The Rotating bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-7e19885bfc81]

Also known as: Tuna, Goldfeather

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

43mm

Case Thickness

15.6mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

200m

Dial Color

Green

Jewels

17j

Frequency

28,800 bph

Power Reserve

59 hours

Year

1975

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