Seiko Cal. 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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