Seiko Cal. 3884 - 121

The Seiko 3884-121 represents an important milestone in Seiko's 1972 lineup. Powered by the 3884 caliber with 21j jewels beating at 28,800 bph, it delivers a 64 hours power reserve. [seikata-wm-2fe43dd337a1]

Also known as: Navigator

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

46mm

Case Thickness

11.6mm

Lug Width

18mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

190m

Dial Color

Green

Jewels

21j

Frequency

28,800 bph

Power Reserve

64 hours

Year

1972

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