Seiko Cal. 4431 - 670

The 4431-670 is a sought-after Hand-Winding piece from Seiko's golden era. With its 20mm lug width and 14.8mm profile, it sits comfortably on most wrists. [seikata-wm-ff14f3d688d4]

Also known as: Silverwave, Emperor

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

46mm

Case Thickness

14.8mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

200m

Dial Color

Champagne

Jewels

21j

Frequency

28,800 bph

Power Reserve

45 hours

Year

1995

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