Seiko Cal. 6164 - 391

The Seiko 6164-391 represents an important milestone in Seiko's 1968 lineup. Powered by the 6164 caliber with 23j jewels beating at 21,600 bph, it delivers a 57 hours power reserve. [seikata-wm-cac37adc1485]

Also known as: Baby Tuna, Arnie

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

45mm

Case Thickness

12.5mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

190m

Dial Color

Navy

Jewels

23j

Frequency

21,600 bph

Power Reserve

57 hours

Year

1968

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