Seiko Cal. 3811 - 671

The Seiko 3811-671 represents an important milestone in Seiko's 1980 lineup. It features a Cream dial protected by a Hardlex crystal and offers 190m of water resistance. [seikata-wm-7ee895f7f5d2]

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

40mm

Case Thickness

12.8mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

190m

Dial Color

Cream

Jewels

27j

Frequency

36,000 bph

Power Reserve

61 hours

Year

1980

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