Seiko Cal. 7030 - 403

Released in 1971, the Cal. 7030 with design code 403 was part of Seiko's domestic market collection. Powered by the 7030 caliber with 28j jewels beating at 21,600 bph, it delivers a 62 hours power reserve. [seikata-wm-447d91ff3bd7]

Also known as: Sumo, Baby Tuna

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

39mm

Case Thickness

12.2mm

Lug Width

19mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

80m

Dial Color

Green

Jewels

28j

Frequency

21,600 bph

Power Reserve

62 hours

Year

1971

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