Seiko Cal. 4422 - 757

The Seiko 4422-757 represents an important milestone in Seiko's 1986 lineup. It features a Green dial protected by a Sapphire crystal and offers 120m of water resistance. [seikata-wm-ec43cdb5fbe6]

Also known as: World Timer, Arnie

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

44mm

Case Thickness

10.0mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

120m

Dial Color

Green

Jewels

30j

Frequency

36,000 bph

Power Reserve

65 hours

Year

1986

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