Seiko Cal. 3887 - 554

Released in 1970, the Cal. 3887 with design code 554 was part of Seiko's domestic market collection. The Inner Rotating bezel and 34mm case give it a distinctive presence on the wrist. [seikata-wm-4216c45ef8cc]

Also known as: Samurai, Monster

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

34mm

Case Thickness

8.1mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

White

Jewels

28j

Frequency

21,600 bph

Power Reserve

42 hours

Year

1970

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