Seiko Cal. 6239 - 554

The Seiko 6239-554 represents an important milestone in Seiko's 1977 lineup. Powered by the 6239 caliber with 36j jewels beating at 21,600 bph, it delivers a 56 hours power reserve. [seikata-wm-98a866b0436e]

Also known as: Baby Tuna

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

38mm

Case Thickness

15.6mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Cream

Jewels

36j

Frequency

21,600 bph

Power Reserve

56 hours

Year

1977

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