Seiko Cal. 4563 - 976

The Seiko 4563-976 represents an important milestone in Seiko's 1968 lineup. The Rotating bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-5f5bbbc23304]

Also known as: Helmet, Bellmatic

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

35mm

Case Thickness

11.1mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

170m

Dial Color

Blue Sunburst

Jewels

25j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1968

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