Seiko Cal. 6371 - 136

The 6371-136 is a sought-after Automatic piece from Seiko's golden era. It features a Black dial protected by a Sapphire crystal and offers 80m of water resistance. [seikata-wm-6cbf1fd332d7]

Also known as: Bullhead

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

36mm

Case Thickness

12.1mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

80m

Dial Color

Black

Jewels

19j

Frequency

21,600 bph

Power Reserve

72 hours

Year

1977

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