Seiko Cal. 3891 - 218

Seiko 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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