Seiko Cal. 6319 - 640

The Seiko 6319-640 represents an important milestone in Seiko's 1992 lineup. The Bidirectional bezel and 34mm case give it a distinctive presence on the wrist. [seikata-wm-3e6fa14f23e5]

Also known as: Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

34mm

Case Thickness

9.3mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Green

Jewels

34j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1992

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