Seiko Cal. 4581 - 790

The 4581-790 is a sought-after Automatic piece from Seiko's golden era. It features a Green dial protected by a Sapphire crystal and offers 90m of water resistance. [seikata-wm-16cf121bbaa9]

Also known as: World Timer

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

40mm

Case Thickness

13.5mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

90m

Dial Color

Green

Jewels

18j

Frequency

28,800 bph

Power Reserve

41 hours

Year

1973

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