Seiko Cal. 4538 - 689

This Spring Drive model from 1983 features a 39mm Two-Tone case. Powered by the 4538 caliber with 28j jewels beating at 28,800 bph, it delivers a 65 hours power reserve. [seikata-wm-1490aa5496ef]

Also known as: Navigator, Crown

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

39mm

Case Thickness

14.1mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Burgundy

Jewels

28j

Frequency

28,800 bph

Power Reserve

65 hours

Year

1983

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