Seiko Cal. 4577 - 646

The Seiko 4577-646 represents an important milestone in Seiko's 1981 lineup. It features a Black dial protected by a Sapphire crystal and offers 200m of water resistance. [seikata-wm-e97b3788485d]

Also known as: Samurai, Rally

Specifications

Movement

Kinetic

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

8.3mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

200m

Dial Color

Black

Jewels

29j

Frequency

28,800 bph

Power Reserve

65 hours

Year

1981

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