Seiko Cal. 6139 - 750

Seiko 6139-750

The 6139-750 is a sought-after Automatic piece from Seiko's golden era. It features a Blue Sunburst dial protected by a Hardlex crystal and offers 110m of water resistance. [seikata-wm-ab658e949da8]

Also known as: Sportsmatic, Baby Tuna

Specifications

Movement
Automatic
Case Material
Gold-Plated
Case Width
39mm
Case Thickness
15.1mm
Lug Width
21mm
Crystal
Hardlex
Bezel
Fixed
Water Resistance
110m
Dial Color
Blue Sunburst
Jewels
24j
Frequency
21,600 bph
Power Reserve
49 hours
Year
1979

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