Seiko Cal. 7028 - 200

Released in 1977, the Cal. 7028 with design code 200 was part of Seiko's domestic market collection. Powered by the 7028 caliber with 34j jewels beating at 21,600 bph, it delivers a 66 hours power reserve. [seikata-wm-6ee59af8f6f5]

Also known as: Sumo, Golden Tuna

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

15.4mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

110m

Dial Color

Silver

Jewels

34j

Frequency

21,600 bph

Power Reserve

66 hours

Year

1977

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