Seiko Cal. 4430 - 961

Seiko 4430-961

The Seiko 4430-961 represents an important milestone in Seiko's 1980 lineup. Powered by the 4430 caliber with 28j jewels beating at 28,800 bph, it delivers a 43 hours power reserve. [seikata-wm-87ed40943daa]

Also known as: Bellmatic, Golden Tuna

Specifications

Movement
Spring Drive
Case Material
Titanium
Case Width
34mm
Case Thickness
15.8mm
Lug Width
22mm
Crystal
Hardlex
Bezel
Rotating
Water Resistance
130m
Dial Color
Navy
Jewels
28j
Frequency
28,800 bph
Power Reserve
43 hours
Year
1980

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