Seiko Cal. 7163 - 463

The Seiko 7163-463 represents an important milestone in Seiko's 1977 lineup. It features a White dial protected by a Hardlex crystal and offers 40m of water resistance. [seikata-wm-4ad953eb26da]

Also known as: Helmet

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

37mm

Case Thickness

14.3mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

40m

Dial Color

White

Jewels

17j

Frequency

21,600 bph

Power Reserve

54 hours

Year

1977

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