Seiko Cal. 7181 - 121

This Automatic model from 1973 features a 39mm PVD Black case. Powered by the 7181 caliber with 28j jewels beating at 21,600 bph, it delivers a 71 hours power reserve. [seikata-wm-94186a6d18c7]

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

39mm

Case Thickness

14.1mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

70m

Dial Color

Burgundy

Jewels

28j

Frequency

21,600 bph

Power Reserve

71 hours

Year

1973

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