Seiko Cal. 7186 - 316

Seiko 7186-316

The 7186-316 is a sought-after Spring Drive piece from Seiko's golden era. The Inner Rotating bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-217431634f4f]

Also known as: Bullhead

Specifications

Movement
Spring Drive
Case Material
PVD Black
Case Width
41mm
Case Thickness
13.4mm
Lug Width
21mm
Crystal
Mineral
Bezel
Inner Rotating
Water Resistance
190m
Dial Color
Champagne
Jewels
22j
Frequency
28,800 bph
Power Reserve
46 hours
Year
1968

Related Models

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