Seiko Cal. 7141 - 821

The Seiko 7141-821 represents an important milestone in Seiko's 1977 lineup. Powered by the 7141 caliber with 34j jewels beating at 36,000 bph, it delivers a 59 hours power reserve. [seikata-wm-1108349e376d]

Also known as: Sumo, Shogun

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

10.3mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Silver

Jewels

34j

Frequency

36,000 bph

Power Reserve

59 hours

Year

1977

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