Seiko Cal. 4431 - 326

The 4431-326 is a sought-after Automatic piece from Seiko's golden era. It features a Burgundy dial protected by a Hardlex crystal and offers 120m of water resistance. [seikata-wm-5c6de514c8d0]

Also known as: Sumo, Crown

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

13.8mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Burgundy

Jewels

34j

Frequency

36,000 bph

Power Reserve

53 hours

Year

1992

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