Seiko Cal. 4431 - 412

The 4431-412 is a sought-after Quartz piece from Seiko's golden era. Powered by the 4431 caliber with 31j jewels beating at 28,800 bph, it delivers a 53 hours power reserve. [seikata-wm-b221cd53b780]

Also known as: Helmet, Crown

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

46mm

Case Thickness

15.9mm

Lug Width

18mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

120m

Dial Color

White

Jewels

31j

Frequency

28,800 bph

Power Reserve

53 hours

Year

1983

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