Seiko Cal. 7131 - 399

Seiko 7131-399

The 7131-399 is a sought-after Kinetic piece from Seiko's golden era. The Inner Rotating bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-a42146c20eae]

Also known as: Pogue, UFO

Specifications

Movement
Kinetic
Case Material
Hardlex-Coated Steel
Case Width
42mm
Case Thickness
9.7mm
Lug Width
18mm
Crystal
Acrylic
Bezel
Inner Rotating
Water Resistance
60m
Dial Color
Green
Jewels
23j
Frequency
28,800 bph
Power Reserve
37 hours
Year
1975

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