Seiko Cal. 6397 - 570

The Seiko 6397-570 represents an important milestone in Seiko's 1983 lineup. It features a Navy dial protected by a Hardlex crystal and offers 50m of water resistance. [seikata-wm-80c47e66e8f9]

Also known as: Tuna

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

34mm

Case Thickness

8.4mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

Navy

Jewels

32j

Frequency

28,800 bph

Power Reserve

64 hours

Year

1983

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