Seiko Cal. 6121 - 989

The Seiko 6121-989 represents an important milestone in Seiko's 1978 lineup. Powered by the 6121 caliber with 35j jewels beating at 28,800 bph, it delivers a 42 hours power reserve. [seikata-wm-1d3f20003658]

Also known as: Navigator

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

41mm

Case Thickness

11.8mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

200m

Dial Color

White

Jewels

35j

Frequency

28,800 bph

Power Reserve

42 hours

Year

1978

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