Seiko Cal. 6691 - 593

This Automatic model from 1989 features a 42mm PVD Black case. Powered by the 6691 caliber with 17j jewels beating at 28,800 bph, it delivers a 43 hours power reserve. [seikata-wm-1465d89fd325]

Also known as: Tuna

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

42mm

Case Thickness

9.3mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

180m

Dial Color

White

Jewels

17j

Frequency

28,800 bph

Power Reserve

43 hours

Year

1989

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