Seiko Cal. 3811 - 647

The Seiko 3811-647 represents an important milestone in Seiko's 1990 lineup. It features a Cream dial protected by a Hardlex crystal and offers 140m of water resistance. [seikata-wm-1e77cef901a1]

Also known as: Turtle, Samurai

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

39mm

Case Thickness

10.3mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

140m

Dial Color

Cream

Jewels

35j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1990

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