Seiko Cal. 6340 - 604

The Seiko 6340-604 represents an important milestone in Seiko's 1990 lineup. With its 20mm lug width and 15.8mm profile, it sits comfortably on most wrists. [seikata-wm-7ba6f834be82]

Also known as: Tuna

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

37mm

Case Thickness

15.8mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

140m

Dial Color

Burgundy

Jewels

36j

Frequency

36,000 bph

Power Reserve

65 hours

Year

1990

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