Seiko Cal. 6186 - 381

The 6186-381 is a sought-after Spring Drive piece from Seiko's golden era. The Inner Rotating bezel and 34mm case give it a distinctive presence on the wrist. [seikata-wm-e29cb011adcc]

Also known as: Bullhead, Arnie

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

34mm

Case Thickness

13.5mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Burgundy

Jewels

33j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1965

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