Seiko Cal. 0761 - 191

The Seiko 0761-191 represents an important milestone in Seiko's 1974 lineup. Powered by the 0761 caliber with 35j jewels beating at 21,600 bph, it delivers a 57 hours power reserve. [seikata-wm-1f86bbec9d51]

Also known as: Tuna, Navigator

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

44mm

Case Thickness

11.8mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Green

Jewels

35j

Frequency

21,600 bph

Power Reserve

57 hours

Year

1974

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