Seiko Cal. 6397 - 677

The Seiko 6397-677 represents an important milestone in Seiko's 1983 lineup. It features a Burgundy dial protected by a Sapphire crystal and offers 160m of water resistance. [seikata-wm-3a8c63f1d36f]

Also known as: Shogun, Tuna

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

11.6mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

160m

Dial Color

Burgundy

Jewels

28j

Frequency

28,800 bph

Power Reserve

41 hours

Year

1983

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