Seiko Cal. 7156 - 154

The Seiko 7156-154 represents an important milestone in Seiko's 1969 lineup. Powered by the 7156 caliber with 28j jewels beating at 21,600 bph, it delivers a 67 hours power reserve. [seikata-wm-e24e465f00fe]

Also known as: Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

43mm

Case Thickness

10.5mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

150m

Dial Color

Burgundy

Jewels

28j

Frequency

21,600 bph

Power Reserve

67 hours

Year

1969

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