Seiko Cal. 5689 - 120

The Seiko 5689-120 represents an important milestone in Seiko's 1970 lineup. Powered by the 5689 caliber with 17j jewels beating at 21,600 bph, it delivers a 63 hours power reserve. [seikata-wm-320768c6a0f6]

Also known as: Navigator

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

8.0mm

Lug Width

20mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

110m

Dial Color

Silver

Jewels

17j

Frequency

21,600 bph

Power Reserve

63 hours

Year

1970

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