Seiko Cal. 0781 - 190

The Seiko 0781-190 represents an important milestone in Seiko's 1971 lineup. Powered by the 0781 caliber with 31j jewels beating at 21,600 bph, it delivers a 57 hours power reserve. [seikata-wm-27e59a43e1de]

Also known as: Tuna

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

10.2mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

160m

Dial Color

Cream

Jewels

31j

Frequency

21,600 bph

Power Reserve

57 hours

Year

1971

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