Seiko Cal. 7139 - 240

Seiko 7139-240

The 7139-240 is a sought-after Quartz piece from Seiko's golden era. It features a Black dial protected by a Acrylic crystal and offers 140m of water resistance. [seikata-wm-54d73b77f00a]

Specifications

Movement
Quartz
Case Material
Gold-Plated
Case Width
43mm
Case Thickness
13.8mm
Lug Width
20mm
Crystal
Acrylic
Bezel
Coin-Edge
Water Resistance
140m
Dial Color
Black
Jewels
30j
Frequency
36,000 bph
Power Reserve
43 hours
Year
1987

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