Seiko Cal. 6190 - 531

The Seiko 6190-531 represents an important milestone in Seiko's 1977 lineup. The Bidirectional bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-2da2b2499942]

Also known as: Bullhead, Baby Tuna

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

40mm

Case Thickness

9.5mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

200m

Dial Color

Navy

Jewels

20j

Frequency

36,000 bph

Power Reserve

59 hours

Year

1977

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