Seiko Cal. 3856 - 646

The 3856-646 is a sought-after Spring Drive piece from Seiko's golden era. It features a Green dial protected by a Acrylic crystal and offers 190m of water resistance. [seikata-wm-ea8f866fd197]

Also known as: Sea Horse

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

38mm

Case Thickness

15.2mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Green

Jewels

28j

Frequency

36,000 bph

Power Reserve

54 hours

Year

1978

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