Seiko Cal. 7154 - 511

The Seiko 7154-511 represents an important milestone in Seiko's 1969 lineup. Powered by the 7154 caliber with 28j jewels beating at 21,600 bph, it delivers a 46 hours power reserve. [seikata-wm-6510bfdf6bb1]

Also known as: Tuna, UFO

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

41mm

Case Thickness

13.0mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Burgundy

Jewels

28j

Frequency

21,600 bph

Power Reserve

46 hours

Year

1969

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