Seiko Cal. 6390 - 736

The 6390-736 is a sought-after Kinetic piece from Seiko's golden era. The Inner Rotating bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-cf8a4eb25ef9]

Also known as: Helmet, Golden Tuna

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

39mm

Case Thickness

9.8mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Burgundy

Jewels

31j

Frequency

36,000 bph

Power Reserve

39 hours

Year

1983

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