Seiko Cal. 7030 - 283

The Seiko 7030-283 represents an important milestone in Seiko's 1965 lineup. With its 21mm lug width and 11.2mm profile, it sits comfortably on most wrists. [seikata-wm-ade53cad9b0e]

Also known as: Monster, Crown

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

11.2mm

Lug Width

21mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

190m

Dial Color

Green

Jewels

34j

Frequency

21,600 bph

Power Reserve

71 hours

Year

1965

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