Seiko Cal. 3811 - 557

The 3811-557 is a sought-after Automatic piece from Seiko's golden era. It features a Green dial protected by a Hardlex crystal and offers 170m of water resistance. [seikata-wm-6cc21bf856d1]

Also known as: Bullhead

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

45mm

Case Thickness

11.9mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

170m

Dial Color

Green

Jewels

25j

Frequency

21,600 bph

Power Reserve

65 hours

Year

1980

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