Seiko Cal. 6340 - 220

The Seiko 6340-220 represents an important milestone in Seiko's 1986 lineup. It features a Black dial protected by a Hardlex crystal and offers 90m of water resistance. [seikata-wm-d803fc94abf8]

Also known as: Helmet

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

40mm

Case Thickness

15.3mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Black

Jewels

33j

Frequency

21,600 bph

Power Reserve

63 hours

Year

1986

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