Seiko Cal. 7028 - 261

Released in 1974, the Cal. 7028 with design code 261 was part of Seiko's domestic market collection. Powered by the 7028 caliber with 19j jewels beating at 28,800 bph, it delivers a 41 hours power reserve. [seikata-wm-32c43e84704e]

Also known as: Golden Tuna, Emperor

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

38mm

Case Thickness

13.9mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Silver

Jewels

19j

Frequency

28,800 bph

Power Reserve

41 hours

Year

1974

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