Seiko Cal. 3864 - 647

Released in 1972, the Cal. 3864 with design code 647 was part of Seiko's domestic market collection. It features a Burgundy dial protected by a Sapphire crystal and offers 80m of water resistance. [seikata-wm-26c03d1ae9dc]

Also known as: Turtle, Shogun

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

46mm

Case Thickness

9.8mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

80m

Dial Color

Burgundy

Jewels

18j

Frequency

28,800 bph

Power Reserve

54 hours

Year

1972

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