Seiko Cal. 4431 - 784

The 4431-784 is a sought-after Quartz piece from Seiko's golden era. Powered by the 4431 caliber with 28j jewels beating at 28,800 bph, it delivers a 51 hours power reserve. [seikata-wm-baeb522a0805]

Also known as: Silverwave

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

44mm

Case Thickness

9.6mm

Lug Width

22mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

30m

Dial Color

Blue Sunburst

Jewels

28j

Frequency

28,800 bph

Power Reserve

51 hours

Year

1996

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