Seiko Cal. 6139 - 408

The Seiko 6139-408 represents an important milestone in Seiko's 1987 lineup. Powered by the 6139 caliber with 19j jewels beating at 21,600 bph, it delivers a 58 hours power reserve. [seikata-wm-729046fe6419]

Also known as: Baby Tuna, Flighty

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

8.6mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

160m

Dial Color

Navy

Jewels

19j

Frequency

21,600 bph

Power Reserve

58 hours

Year

1987

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