Seiko Cal. 3864 - 660

The Seiko 3864-660 represents an important milestone in Seiko's 1968 lineup. It features a White dial protected by a Sapphire crystal and offers 180m of water resistance. [seikata-wm-972536aafcbf]

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

43mm

Case Thickness

13.6mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

White

Jewels

21j

Frequency

36,000 bph

Power Reserve

63 hours

Year

1968

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