Seiko Cal. 3856 - 666

The Seiko 3856-666 represents an important milestone in Seiko's 1980 lineup. It features a White dial protected by a Acrylic crystal and offers 140m of water resistance. [seikata-wm-46f22cfbc1d6]

Also known as: Bellmatic

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

36mm

Case Thickness

12.1mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

White

Jewels

25j

Frequency

28,800 bph

Power Reserve

48 hours

Year

1980

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