Seiko Cal. 6391 - 652

The Seiko 6391-652 represents an important milestone in Seiko's 1997 lineup. The Bidirectional bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-ba65892b875e]

Also known as: Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

11.0mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

150m

Dial Color

Navy

Jewels

33j

Frequency

21,600 bph

Power Reserve

39 hours

Year

1997

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