Seiko Cal. 6139 - 646

Seiko 6139-646

The Seiko 6139-646 represents an important milestone in Seiko's 1979 lineup. The Inner Rotating bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-702e23f64c85]

Also known as: Golden Tuna, Baby Tuna

Specifications

Movement
Kinetic
Case Material
Hardlex-Coated Steel
Case Width
43mm
Case Thickness
9.0mm
Lug Width
22mm
Crystal
Hardlex
Bezel
Inner Rotating
Water Resistance
200m
Dial Color
Silver
Jewels
18j
Frequency
36,000 bph
Power Reserve
41 hours
Year
1979

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seikata-wm-702e23f64c85