Seiko Cal. 7121 - 593

The Seiko 7121-593 represents an important milestone in Seiko's 1977 lineup. With its 21mm lug width and 15.2mm profile, it sits comfortably on most wrists. [seikata-wm-d432f3f70062]

Also known as: Crown, Emperor

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

43mm

Case Thickness

15.2mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

140m

Dial Color

Blue Sunburst

Jewels

32j

Frequency

36,000 bph

Power Reserve

72 hours

Year

1977

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