Seiko Cal. 3887 - 311

Released in 1968, the Cal. 3887 with design code 311 was part of Seiko's domestic market collection. Powered by the 3887 caliber with 32j jewels beating at 21,600 bph, it delivers a 36 hours power reserve. [seikata-wm-670ff236cc08]

Also known as: World Timer, Flighty

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

44mm

Case Thickness

8.7mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

110m

Dial Color

Navy

Jewels

32j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1968

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