Seiko Cal. 4444 - 509

The Seiko 4444-509 represents an important milestone in Seiko's 1976 lineup. Powered by the 4444 caliber with 32j jewels beating at 28,800 bph, it delivers a 40 hours power reserve. [seikata-wm-78fab7f95dfb]

Also known as: Bellmatic

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

44mm

Case Thickness

11.6mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

150m

Dial Color

Silver

Jewels

32j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1976

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