Seiko Cal. 6343 - 990

The Seiko 6343-990 represents an important milestone in Seiko's 1973 lineup. It features a Navy dial protected by a Mineral crystal and offers 110m of water resistance. [seikata-wm-3391e5e264e7]

Also known as: UFO

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

40mm

Case Thickness

9.8mm

Lug Width

18mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

110m

Dial Color

Navy

Jewels

28j

Frequency

21,600 bph

Power Reserve

63 hours

Year

1973

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