Seiko Cal. 3864 - 939

The Seiko 3864-939 represents an important milestone in Seiko's 1983 lineup. It features a White dial protected by a Acrylic crystal and offers 30m of water resistance. [seikata-wm-c2381c6376b1]

Also known as: Bellmatic

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

40mm

Case Thickness

12.0mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

White

Jewels

22j

Frequency

36,000 bph

Power Reserve

70 hours

Year

1983

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