Seiko Cal. 3867 - 688

Released in 1965, the Cal. 3867 with design code 688 was part of Seiko's domestic market collection. It features a Black dial protected by a Acrylic crystal and offers 90m of water resistance. [seikata-wm-ae2be0fdfb61]

Also known as: Tuna

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

46mm

Case Thickness

9.2mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

Black

Jewels

26j

Frequency

36,000 bph

Power Reserve

52 hours

Year

1965

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