Seiko Cal. 6397 - 554

The Seiko 6397-554 represents an important milestone in Seiko's 1968 lineup. It features a Blue Sunburst dial protected by a Hardlex crystal and offers 170m of water resistance. [seikata-wm-df4ce4c935fa]

Also known as: Emperor

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

42mm

Case Thickness

10.4mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

170m

Dial Color

Blue Sunburst

Jewels

28j

Frequency

36,000 bph

Power Reserve

42 hours

Year

1968

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