Seiko Cal. 5646 - 980

This Spring Drive model from 1988 features a 39mm Two-Tone case. Powered by the 5646 caliber with 23j jewels beating at 21,600 bph, it delivers a 49 hours power reserve. [seikata-wm-968cde27b6de]

Also known as: Navigator

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

39mm

Case Thickness

15.3mm

Lug Width

19mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Blue Sunburst

Jewels

23j

Frequency

21,600 bph

Power Reserve

49 hours

Year

1988

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