Seiko Cal. 7139 - 331

Seiko 7139-331

The 7139-331 is a sought-after Automatic piece from Seiko's golden era. With its 19mm lug width and 8.6mm profile, it sits comfortably on most wrists. [seikata-wm-b6d91b54adc6]

Also known as: Goldfeather, Sea Horse

Specifications

Movement
Automatic
Case Material
Gold-Plated
Case Width
40mm
Case Thickness
8.6mm
Lug Width
19mm
Crystal
Acrylic
Bezel
Rotating
Water Resistance
110m
Dial Color
White
Jewels
28j
Frequency
21,600 bph
Power Reserve
38 hours
Year
1978

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