Seiko Cal. 4434 - 507

The Seiko 4434-507 represents an important milestone in Seiko's 1979 lineup. Powered by the 4434 caliber with 19j jewels beating at 36,000 bph, it delivers a 45 hours power reserve. [seikata-wm-7c07dbf5f171]

Also known as: Helmet, Bellmatic

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

39mm

Case Thickness

11.3mm

Lug Width

21mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

120m

Dial Color

Silver

Jewels

19j

Frequency

36,000 bph

Power Reserve

45 hours

Year

1979

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