Seiko Cal. 6163 - 571

The Seiko 6163-571 represents an important milestone in Seiko's 1982 lineup. The Bidirectional bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-11876d92a62f]

Also known as: Helmet

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

42mm

Case Thickness

10.0mm

Lug Width

22mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

100m

Dial Color

Green

Jewels

27j

Frequency

28,800 bph

Power Reserve

61 hours

Year

1982

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