Seiko Cal. 3867 - 137

The 3867-137 is a sought-after Automatic piece from Seiko's golden era. It features a Black dial protected by a Hardlex crystal and offers 90m of water resistance. [seikata-wm-be7ab8181aac]

Also known as: Helmet

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

40mm

Case Thickness

10.2mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

90m

Dial Color

Black

Jewels

28j

Frequency

21,600 bph

Power Reserve

61 hours

Year

1970

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