Seiko Cal. 6397 - 516

The Seiko 6397-516 represents an important milestone in Seiko's 1988 lineup. The Inner Rotating bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-8ab50597b236]

Also known as: Rally, Baby Tuna

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

44mm

Case Thickness

11.4mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Cream

Jewels

36j

Frequency

36,000 bph

Power Reserve

51 hours

Year

1988

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