Seiko Cal. 7021 - 181

The Seiko 7021-181 represents an important milestone in Seiko's 1981 lineup. The Rotating bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-a3fefdba4101]

Also known as: World Timer, Emperor

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

40mm

Case Thickness

13.3mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

130m

Dial Color

Silver

Jewels

17j

Frequency

21,600 bph

Power Reserve

66 hours

Year

1981

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