Seiko Cal. 7139 - 371

Seiko 7139-371

The Seiko 7139-371 represents an important milestone in Seiko's 1979 lineup. The Fixed bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-5cfed9571260]

Also known as: Monster

Specifications

Movement
Spring Drive
Case Material
Stainless Steel
Case Width
44mm
Case Thickness
9.5mm
Lug Width
20mm
Crystal
Acrylic
Bezel
Fixed
Water Resistance
120m
Dial Color
Black
Jewels
19j
Frequency
21,600 bph
Power Reserve
57 hours
Year
1979

Related Models

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