Seiko Cal. 4434 - 819

The Seiko 4434-819 represents an important milestone in Seiko's 1966 lineup. Powered by the 4434 caliber with 25j jewels beating at 28,800 bph, it delivers a 45 hours power reserve. [seikata-wm-7df00a2970f5]

Also known as: Helmet, Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

34mm

Case Thickness

11.2mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

160m

Dial Color

Black

Jewels

25j

Frequency

28,800 bph

Power Reserve

45 hours

Year

1966

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