Seiko Cal. 4581 - 553

The Seiko 4581-553 represents an important milestone in Seiko's 1971 lineup. It features a Green dial protected by a Sapphire crystal and offers 90m of water resistance. [seikata-wm-59baa819ab8f]

Also known as: Samurai, Navigator

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

36mm

Case Thickness

14.8mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

90m

Dial Color

Green

Jewels

19j

Frequency

36,000 bph

Power Reserve

56 hours

Year

1971

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