Seiko Cal. 7141 - 820

The Seiko 7141-820 represents an important milestone in Seiko's 1966 lineup. With its 18mm lug width and 11.1mm profile, it sits comfortably on most wrists. [seikata-wm-1709f3bf1441]

Also known as: Sumo, Silverwave

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

41mm

Case Thickness

11.1mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

160m

Dial Color

Silver

Jewels

19j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1966

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