Seiko Cal. 3851 - 547

The Seiko 3851-547 represents an important milestone in Seiko's 1970 lineup. It features a Black dial protected by a Mineral crystal and offers 40m of water resistance. [seikata-wm-da96d7941cac]

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

43mm

Case Thickness

10.8mm

Lug Width

19mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

40m

Dial Color

Black

Jewels

21j

Frequency

21,600 bph

Power Reserve

71 hours

Year

1970

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