Seiko Cal. 4581 - 618

The Seiko 4581-618 represents an important milestone in Seiko's 1965 lineup. It features a Green dial protected by a Acrylic crystal and offers 200m of water resistance. [seikata-wm-1d8253cba043]

Also known as: Crown

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

36mm

Case Thickness

8.5mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

200m

Dial Color

Green

Jewels

31j

Frequency

36,000 bph

Power Reserve

46 hours

Year

1965

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