Seiko Cal. 3891 - 218

The Seiko 3891-218 represents an important milestone in Seiko's 1977 lineup. Powered by the 3891 caliber with 33j jewels beating at 21,600 bph, it delivers a 51 hours power reserve. [seikata-wm-e4323cce2a46]

Also known as: Turtle, Rally

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

10.8mm

Lug Width

18mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

70m

Dial Color

Cream

Jewels

33j

Frequency

21,600 bph

Power Reserve

51 hours

Year

1977

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