Seiko Cal. 7121 - 840

This Quartz model from 1980 features a 38mm Two-Tone case. Powered by the 7121 caliber with 18j jewels beating at 28,800 bph, it delivers a 45 hours power reserve. [seikata-wm-5b53c970284c]

Also known as: Samurai, Sportsmatic

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

38mm

Case Thickness

8.7mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

50m

Dial Color

Silver

Jewels

18j

Frequency

28,800 bph

Power Reserve

45 hours

Year

1980

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