Seiko Cal. 6391 - 297

The Seiko 6391-297 represents an important milestone in Seiko's 1967 lineup. Powered by the 6391 caliber with 22j jewels beating at 28,800 bph, it delivers a 45 hours power reserve. [seikata-wm-3b810e9ab2dc]

Also known as: Golden Tuna, Arnie

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

39mm

Case Thickness

12.2mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

130m

Dial Color

Silver

Jewels

22j

Frequency

28,800 bph

Power Reserve

45 hours

Year

1967

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