Seiko Cal. 7189 - 137

The Seiko 7189-137 represents an important milestone in Seiko's 1965 lineup. Powered by the 7189 caliber with 27j jewels beating at 21,600 bph, it delivers a 47 hours power reserve. [seikata-wm-7895b0d76dbc]

Also known as: Bullhead

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

41mm

Case Thickness

14.3mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Cream

Jewels

27j

Frequency

21,600 bph

Power Reserve

47 hours

Year

1965

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