Seiko Cal. 7139 - 818

Seiko 7139-818

The Seiko 7139-818 represents an important milestone in Seiko's 1990 lineup. It features a Cream dial protected by a Sapphire crystal and offers 70m of water resistance. [seikata-wm-6dccb7c66cb3]

Also known as: Bullhead

Specifications

Movement
Hand-Winding
Case Material
PVD Black
Case Width
46mm
Case Thickness
14.6mm
Lug Width
21mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
70m
Dial Color
Cream
Jewels
34j
Frequency
21,600 bph
Power Reserve
69 hours
Year
1990

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