Seiko Cal. 4581 - 463

The Seiko 4581-463 represents an important milestone in Seiko's 1965 lineup. It features a Black dial protected by a Sapphire crystal and offers 100m of water resistance. [seikata-wm-973826258964]

Also known as: Rally

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

13.5mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

100m

Dial Color

Black

Jewels

20j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1965

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