Seiko Cal. 3864 - 340

Released in 1966, the Cal. 3864 with design code 340 was part of Seiko's domestic market collection. It features a Blue Sunburst dial protected by a Mineral crystal and offers 40m of water resistance. [seikata-wm-af1bd9382d76]

Also known as: Baby Tuna

Specifications

Movement

Solar

Case Material

Titanium

Case Width

43mm

Case Thickness

13.7mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Blue Sunburst

Jewels

33j

Frequency

36,000 bph

Power Reserve

42 hours

Year

1966

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