Seiko Cal. 4431 - 649

This Automatic model from 1991 features a 35mm PVD Black case. It features a Navy dial protected by a Hardlex crystal and offers 40m of water resistance. [seikata-wm-2195efbedff7]

Also known as: Arnie, Flighty

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

35mm

Case Thickness

9.9mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

Navy

Jewels

30j

Frequency

28,800 bph

Power Reserve

44 hours

Year

1991

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