Seiko Cal. 3840 - 984

This Spring Drive model from 1989 features a 42mm Hardlex-Coated Steel case. It features a Green dial protected by a Sapphire crystal and offers 190m of water resistance. [seikata-wm-1a4012875f9a]

Also known as: Navigator

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

15.9mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

190m

Dial Color

Green

Jewels

26j

Frequency

21,600 bph

Power Reserve

70 hours

Year

1989

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