Seiko Cal. 7056 - 721

The Seiko 7056-721 represents an important milestone in Seiko's 1989 lineup. Powered by the 7056 caliber with 19j jewels beating at 21,600 bph, it delivers a 37 hours power reserve. [seikata-wm-14f1e05475bd]

Also known as: Helmet, Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

38mm

Case Thickness

9.1mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Black

Jewels

19j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1989

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