Seiko Cal. 4443 - 840

The 4443-840 is a sought-after Quartz piece from Seiko's golden era. It features a White dial protected by a Hardlex crystal and offers 60m of water resistance. [seikata-wm-1b32f2a21fbf]

Also known as: Helmet, Emperor

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

13.6mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

60m

Dial Color

White

Jewels

30j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1984

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