Seiko Cal. 4581 - 667

The Seiko 4581-667 represents an important milestone in Seiko's 1966 lineup. It features a Cream dial protected by a Acrylic crystal and offers 60m of water resistance. [seikata-wm-9fa489fe177c]

Also known as: Bellmatic

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

38mm

Case Thickness

12.9mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

Cream

Jewels

28j

Frequency

36,000 bph

Power Reserve

55 hours

Year

1966

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