Seiko Cal. 4581 - 784

The Seiko 4581-784 represents an important milestone in Seiko's 1975 lineup. It features a Green dial protected by a Mineral crystal and offers 110m of water resistance. [seikata-wm-affaee3a1386]

Also known as: Navigator

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

44mm

Case Thickness

12.2mm

Lug Width

22mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

110m

Dial Color

Green

Jewels

27j

Frequency

36,000 bph

Power Reserve

70 hours

Year

1975

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