Seiko Cal. 4430 - 327

The Seiko 4430-327 represents an important milestone in Seiko's 1984 lineup. It features a Black dial protected by a Mineral crystal and offers 170m of water resistance. [seikata-wm-ef1d7ae79f70]

Also known as: World Timer

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

37mm

Case Thickness

10.8mm

Lug Width

20mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

170m

Dial Color

Black

Jewels

20j

Frequency

21,600 bph

Power Reserve

54 hours

Year

1984

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