Seiko Cal. 7151 - 730

The Seiko 7151-730 represents an important milestone in Seiko's 1977 lineup. Powered by the 7151 caliber with 25j jewels beating at 21,600 bph, it delivers a 45 hours power reserve. [seikata-wm-58ef81d5fa5a]

Also known as: Tuna

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

40mm

Case Thickness

10.7mm

Lug Width

21mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

100m

Dial Color

Champagne

Jewels

25j

Frequency

21,600 bph

Power Reserve

45 hours

Year

1977

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