Seiko Cal. 6197 - 991

The Seiko 6197-991 represents an important milestone in Seiko's 1965 lineup. The Bidirectional bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-0c5d5a6e698a]

Also known as: Baby Tuna

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

45mm

Case Thickness

14.8mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

110m

Dial Color

Navy

Jewels

27j

Frequency

28,800 bph

Power Reserve

54 hours

Year

1965

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