Seiko Cal. 7156 - 325

The Seiko 7156-325 represents an important milestone in Seiko's 1980 lineup. Powered by the 7156 caliber with 18j jewels beating at 28,800 bph, it delivers a 37 hours power reserve. [seikata-wm-bca4d158d264]

Also known as: Crown, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

12.7mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

40m

Dial Color

Cream

Jewels

18j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1980

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