Seiko Cal. 4430 - 905

The Seiko 4430-905 represents an important milestone in Seiko's 1972 lineup. It features a Silver dial protected by a Acrylic crystal and offers 150m of water resistance. [seikata-wm-49e2526b15a6]

Also known as: Bullhead, Bellmatic

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

44mm

Case Thickness

10.8mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

150m

Dial Color

Silver

Jewels

29j

Frequency

28,800 bph

Power Reserve

41 hours

Year

1972

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