Seiko Cal. 3888 - 506

The Seiko 3888-506 represents an important milestone in Seiko's 1965 lineup. It features a Black dial protected by a Acrylic crystal and offers 140m of water resistance. [seikata-wm-20a7b2f68cd5]

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

46mm

Case Thickness

9.7mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Black

Jewels

21j

Frequency

21,600 bph

Power Reserve

56 hours

Year

1965

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