Seiko Cal. 4434 - 507

Seiko 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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