Seiko Cal. 5681 - 542

The Seiko 5681-542 represents an important milestone in Seiko's 1982 lineup. The Bidirectional bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-7d268cf9feff]

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

45mm

Case Thickness

11.1mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

100m

Dial Color

Green

Jewels

18j

Frequency

21,600 bph

Power Reserve

62 hours

Year

1982

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