Seiko Cal. 4431 - 941

The Seiko 4431-941 represents an important milestone in Seiko's 1972 lineup. Powered by the 4431 caliber with 30j jewels beating at 21,600 bph, it delivers a 53 hours power reserve. [seikata-wm-b5461d6b1b39]

Also known as: Bellmatic, Flighty

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

45mm

Case Thickness

10.2mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Burgundy

Jewels

30j

Frequency

21,600 bph

Power Reserve

53 hours

Year

1972

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