Seiko Cal. 3859 - 765

The Seiko 3859-765 represents an important milestone in Seiko's 1967 lineup. It features a Black dial protected by a Acrylic crystal and offers 90m of water resistance. [seikata-wm-688e67fc0f6d]

Also known as: Bellmatic

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

34mm

Case Thickness

15.8mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

90m

Dial Color

Black

Jewels

20j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1967

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