Seiko Cal. 6139 - 408

Seiko 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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