Seiko Cal. 4556 - 771

The Seiko 4556-771 represents an important milestone in Seiko's 1968 lineup. The Bidirectional bezel and 34mm case give it a distinctive presence on the wrist. [seikata-wm-f1218f47c3e1]

Also known as: Pogue

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

34mm

Case Thickness

8.0mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

150m

Dial Color

Silver

Jewels

21j

Frequency

21,600 bph

Power Reserve

51 hours

Year

1968

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