Seiko Cal. 4431 - 912

The 4431-912 is a sought-after Spring Drive piece from Seiko's golden era. It features a Silver dial protected by a Hardlex crystal and offers 80m of water resistance. [seikata-wm-f5415243b808]

Also known as: UFO

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

46mm

Case Thickness

11.8mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Silver

Jewels

35j

Frequency

28,800 bph

Power Reserve

44 hours

Year

1990

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