Seiko Cal. 6183 - 639

The Seiko 6183-639 represents an important milestone in Seiko's 1968 lineup. The Bidirectional bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-62b7345385f9]

Also known as: Baby Tuna, Flighty

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

43mm

Case Thickness

13.7mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

50m

Dial Color

Champagne

Jewels

23j

Frequency

21,600 bph

Power Reserve

59 hours

Year

1968

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