Seiko Cal. 7131 - 597

This Hand-Winding model from 1989 features a 35mm PVD Black case. Powered by the 7131 caliber with 26j jewels beating at 36,000 bph, it delivers a 55 hours power reserve. [seikata-wm-9efbdfbe4503]

Also known as: Bullhead, Rally

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

35mm

Case Thickness

12.5mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Blue Sunburst

Jewels

26j

Frequency

36,000 bph

Power Reserve

55 hours

Year

1989

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